20001641152 has 28 divisors (see below), whose sum is σ = 40763484640. Its totient is φ = 9730526976.

The previous prime is 20001641147. The next prime is 20001641171. The reversal of 20001641152 is 25114610002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4220952 + ... + 4225687.

Almost surely, 2^20001641152 is an apocalyptic number.

It is an amenable number.

20001641152 is an abundant number, since it is smaller than the sum of its proper divisors (20761843488).

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

20001641152 is an equidigital number, since it uses as much as digits as its factorization.

20001641152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446688 (or 8446678 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 20001641152 in words is "twenty billion, one million, six hundred forty-one thousand, one hundred fifty-two".