2052420 has 48 divisors (see below), whose sum is σ = 5832960. Its totient is φ = 539136.

The previous prime is 2052409. The next prime is 2052431. The reversal of 2052420 is 242502.

2052420 = T₄₄₃ + T₄₄₄ + ... + T₄₆₂.

It is an interprime number because it is at equal distance from previous prime (2052409) and next prime (2052431).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2052420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4524 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (121520).

2^2052420 is an apocalyptic number.

2052420 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 2052420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916480).

2052420 is an abundant number, since it is smaller than the sum of its proper divisors (3780540).

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

2052420 is a wasteful number, since it uses less digits than its factorization.

2052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2052420 is about 1432.6269577249. The cubic root of 2052420 is about 127.0833767506.

Adding to 2052420 its reverse (242502), we get a palindrome (2294922).

The spelling of 2052420 in words is "two million, fifty-two thousand, four hundred twenty".