21223792002 has 16 divisors (see below), whose sum is σ = 48511524672. Its totient is φ = 6063940560.

The previous prime is 21223791959. The next prime is 21223792033. The reversal of 21223792002 is 20029732212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252664149 + ... + 252664232.

It is an arithmetic number, because the mean of its divisors is an integer number (3031970292).

Almost surely, 2^21223792002 is an apocalyptic number.

21223792002 is an abundant number, since it is smaller than the sum of its proper divisors (27287732670).

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

21223792002 is a wasteful number, since it uses less digits than its factorization.

21223792002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505328393.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 21223792002 in words is "twenty-one billion, two hundred twenty-three million, seven hundred ninety-two thousand, two".