2020122100 has 36 divisors (see below), whose sum is σ = 4385837344. Its totient is φ = 807648480.

The previous prime is 2020122073. The next prime is 2020122103. The reversal of 2020122100 is 12210202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020122103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276697 + ... + 283903.

Almost surely, 2^2020122100 is an apocalyptic number.

2020122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020122100 is an abundant number, since it is smaller than the sum of its proper divisors (2365715244).

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

2020122100 is a wasteful number, since it uses less digits than its factorization.

2020122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024 (or 10017 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2020122100 is about 44945.7684326345. The cubic root of 2020122100 is about 1264.1323342260.

Adding to 2020122100 its reverse (12210202), we get a palindrome (2032332302).

The spelling of 2020122100 in words is "two billion, twenty million, one hundred twenty-two thousand, one hundred".