10020002102000 has 80 divisors (see below), whose sum is σ = 26430943784544. Its totient is φ = 3643637120000.

The previous prime is 10020002101981. The next prime is 10020002102039. The reversal of 10020002102000 is 20120002001.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 227705321 + ... + 227749320.

Almost surely, 2^{10020002102000} is an apocalyptic number.

10020002102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020002102000 is an abundant number, since it is smaller than the sum of its proper divisors (16410941682544).

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

10020002102000 is a wasteful number, since it uses less digits than its factorization.

10020002102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455454675 (or 455454659 counting only the distinct ones).

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

Adding to 10020002102000 its reverse (20120002001), we get a palindrome (10040122104001).

The spelling of 10020002102000 in words is "ten trillion, twenty billion, two million, one hundred two thousand".