200102023131020 has 48 divisors (see below), whose sum is σ = 422571322625760. Its totient is φ = 79591862893056.

The previous prime is 200102023131019. The next prime is 200102023131029. The reversal of 200102023131020 is 20131320201002.

It is a super-2 number, since 2×200102023131020² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200102023131020.

It is not an unprimeable number, because it can be changed into a prime (200102023131029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164550344 + ... + 165761936.

It is an arithmetic number, because the mean of its divisors is an integer number (8803569221370).

Almost surely, 2^{200102023131020} is an apocalyptic number.

200102023131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200102023131020 is an abundant number, since it is smaller than the sum of its proper divisors (222469299494740).

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

200102023131020 is a wasteful number, since it uses less digits than its factorization.

200102023131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257914 (or 1257912 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200102023131020 its reverse (20131320201002), we get a palindrome (220233343332022).

The spelling of 200102023131020 in words is "two hundred trillion, one hundred two billion, twenty-three million, one hundred thirty-one thousand, twenty".