23202120202 has 4 divisors (see below), whose sum is σ = 34803180306. Its totient is φ = 11601060100.

The previous prime is 23202120197. The next prime is 23202120223. The reversal of 23202120202 is 20202120232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23201077761 + 1042441 = 152319^2 + 1021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5800530049 + ... + 5800530052.

Almost surely, 2^23202120202 is an apocalyptic number.

23202120202 is a deficient number, since it is larger than the sum of its proper divisors (11601060104).

23202120202 is a wasteful number, since it uses less digits than its factorization.

23202120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11601060103.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23202120202 its reverse (20202120232), we get a palindrome (43404240434).

The spelling of 23202120202 in words is "twenty-three billion, two hundred two million, one hundred twenty thousand, two hundred two".