20100201202020 has 48 divisors (see below), whose sum is σ = 56494557947520. Its totient is φ = 5339673217536.

The previous prime is 20100201202001. The next prime is 20100201202043. The reversal of 20100201202020 is 2020210200102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20100201201987 and 20100201202005.

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, 636872725 + ... + 636904284.

It is an arithmetic number, because the mean of its divisors is an integer number (1176969957240).

Almost surely, 2^{20100201202020} is an apocalyptic number.

20100201202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100201202020 is an abundant number, since it is smaller than the sum of its proper divisors (36394356745500).

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

20100201202020 is a wasteful number, since it uses less digits than its factorization.

20100201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273777284 (or 1273777282 counting only the distinct ones).

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

Adding to 20100201202020 its reverse (2020210200102), we get a palindrome (22120411402122).

The spelling of 20100201202020 in words is "twenty trillion, one hundred billion, two hundred one million, two hundred two thousand, twenty".