20445412662632 has 32 divisors (see below), whose sum is σ = 41453777877120. Its totient is φ = 9416660647680.

The previous prime is 20445412662617. The next prime is 20445412662641. The reversal of 20445412662632 is 23626621454402.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 1599290594 + ... + 1599303377.

It is an arithmetic number, because the mean of its divisors is an integer number (1295430558660).

Almost surely, 2^{20445412662632} is an apocalyptic number.

It is an amenable number.

20445412662632 is an abundant number, since it is smaller than the sum of its proper divisors (21008365214488).

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

20445412662632 is a wasteful number, since it uses less digits than its factorization.

20445412662632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198594041 (or 3198594037 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 20445412662632 in words is "twenty trillion, four hundred forty-five billion, four hundred twelve million, six hundred sixty-two thousand, six hundred thirty-two".