21023324202 has 32 divisors (see below), whose sum is σ = 43894753920. Its totient is φ = 6700034880.

The previous prime is 21023324191. The next prime is 21023324233. The reversal of 21023324202 is 20242332012.

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, 279552 + ... + 346692.

It is an arithmetic number, because the mean of its divisors is an integer number (1371711060).

Almost surely, 2^21023324202 is an apocalyptic number.

21023324202 is an abundant number, since it is smaller than the sum of its proper divisors (22871429718).

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

21023324202 is a wasteful number, since it uses less digits than its factorization.

21023324202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69438.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21023324202 its reverse (20242332012), we get a palindrome (41265656214).

The spelling of 21023324202 in words is "twenty-one billion, twenty-three million, three hundred twenty-four thousand, two hundred two".