102001022200020 has 96 divisors (see below), whose sum is σ = 286197238559232. Its totient is φ = 27143701485568.

The previous prime is 102001022199977. The next prime is 102001022200039. The reversal of 102001022200020 is 20002220100201.

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 = 102001022199969 and 102001022200005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89916274 + ... + 91043606.

It is an arithmetic number, because the mean of its divisors is an integer number (2981221234992).

Almost surely, 2^{102001022200020} is an apocalyptic number.

102001022200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001022200020 is an abundant number, since it is smaller than the sum of its proper divisors (184196216359212).

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

102001022200020 is a wasteful number, since it uses less digits than its factorization.

102001022200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130481 (or 1130479 counting only the distinct ones).

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

Adding to 102001022200020 its reverse (20002220100201), we get a palindrome (122003242300221).

The spelling of 102001022200020 in words is "one hundred two trillion, one billion, twenty-two million, two hundred thousand, twenty".