202000021002 has 48 divisors (see below), whose sum is σ = 471664458720. Its totient is φ = 62110194336.

The previous prime is 202000020991. The next prime is 202000021051. The reversal of 202000021002 is 200120000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31449 + ... + 636387.

It is an arithmetic number, because the mean of its divisors is an integer number (9826342890).

Almost surely, 2^202000021002 is an apocalyptic number.

202000021002 is an abundant number, since it is smaller than the sum of its proper divisors (269664437718).

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

202000021002 is a wasteful number, since it uses less digits than its factorization.

202000021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606387 (or 606384 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 202000021002 its reverse (200120000202), we get a palindrome (402120021204).

The spelling of 202000021002 in words is "two hundred two billion, twenty-one thousand, two".