20446911352 has 32 divisors (see below), whose sum is σ = 43830374400. Its totient is φ = 8759849184.

The previous prime is 20446911337. The next prime is 20446911371. The reversal of 20446911352 is 25311964402.

It is a happy number.

It is a congruent number.

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, 97813 + ... + 224635.

It is an arithmetic number, because the mean of its divisors is an integer number (1369699200).

Almost surely, 2^20446911352 is an apocalyptic number.

It is an amenable number.

20446911352 is an abundant number, since it is smaller than the sum of its proper divisors (23383463048).

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

20446911352 is a wasteful number, since it uses less digits than its factorization.

20446911352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129715 (or 129711 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20446911352 in words is "twenty billion, four hundred forty-six million, nine hundred eleven thousand, three hundred fifty-two".