102000012002020 has 96 divisors (see below), whose sum is σ = 238941182866176. Its totient is φ = 36259707993600.

The previous prime is 102000012002011. The next prime is 102000012002089. The reversal of 102000012002020 is 20200210000201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102000012001988 and 102000012002006.

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, 12560536 + ... + 19020175.

It is an arithmetic number, because the mean of its divisors is an integer number (2488970654856).

Almost surely, 2^{102000012002020} is an apocalyptic number.

102000012002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000012002020 is an abundant number, since it is smaller than the sum of its proper divisors (136941170864156).

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

102000012002020 is a wasteful number, since it uses less digits than its factorization.

102000012002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31581061 (or 31581059 counting only the distinct ones).

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

Adding to 102000012002020 its reverse (20200210000201), we get a palindrome (122200222002221).

The spelling of 102000012002020 in words is "one hundred two trillion, twelve million, two thousand, twenty".