102020102000000 has 112 divisors (see below), whose sum is σ = 254050718031060. Its totient is φ = 40808040000000.

The previous prime is 102020101999897. The next prime is 102020102000021. The reversal of 102020102000000 is 201020201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 23505026 + ... + 27505025.

Almost surely, 2^{102020102000000} is an apocalyptic number.

102020102000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020102000000 is an abundant number, since it is smaller than the sum of its proper divisors (152030616031060).

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

102020102000000 is an frugal number, since it uses more digits than its factorization.

102020102000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010095 (or 51010058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 102020102000000 its reverse (201020201), we get a palindrome (102020303020201).

The spelling of 102020102000000 in words is "one hundred two trillion, twenty billion, one hundred two million", and thus it is an aban number.