202620 has 48 divisors (see below), whose sum is σ = 620928. Its totient is φ = 48960.

The previous prime is 202613. The next prime is 202621. The reversal of 202620 is 26202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 202596 and 202605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202621) by changing a digit.

202620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507 + ... + 813.

It is an arithmetic number, because the mean of its divisors is an integer number (12936).

2²⁰²⁶²⁰ is an apocalyptic number.

202620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310464).

202620 is an abundant number, since it is smaller than the sum of its proper divisors (418308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202620 is a wasteful number, since it uses less digits than its factorization.

202620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 202620 is about 450.1333135861. The cubic root of 202620 is about 58.7346119348.

Adding to 202620 its reverse (26202), we get a palindrome (228822).

The spelling of 202620 in words is "two hundred two thousand, six hundred twenty".