20200020122100 has 144 divisors (see below), whose sum is σ = 71932789701248. Its totient is φ = 4261982261760.

The previous prime is 20200020122071. The next prime is 20200020122167. The reversal of 20200020122100 is 122102000202.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 369936439 + ... + 369991038.

Almost surely, 2^{20200020122100} is an apocalyptic number.

20200020122100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200020122100 is an abundant number, since it is smaller than the sum of its proper divisors (51732769579148).

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

20200020122100 is a wasteful number, since it uses less digits than its factorization.

20200020122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739927514 (or 739927507 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200020122100 its reverse (122102000202), we get a palindrome (20322122122302).

The spelling of 20200020122100 in words is "twenty trillion, two hundred billion, twenty million, one hundred twenty-two thousand, one hundred".