20636605327232 has 64 divisors (see below), whose sum is σ = 41810493600000. Its totient is φ = 10143005419008.

The previous prime is 20636605327207. The next prime is 20636605327297. The reversal of 20636605327232 is 23272350663602.

It is a tau number, because it is divible by the number of its divisors (64).

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, 280890119 + ... + 280963577.

It is an arithmetic number, because the mean of its divisors is an integer number (653288962500).

Almost surely, 2^{20636605327232} is an apocalyptic number.

It is an amenable number.

20636605327232 is an abundant number, since it is smaller than the sum of its proper divisors (21173888272768).

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

20636605327232 is an equidigital number, since it uses as much as digits as its factorization.

20636605327232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110731 (or 110719 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 47.

The spelling of 20636605327232 in words is "twenty trillion, six hundred thirty-six billion, six hundred five million, three hundred twenty-seven thousand, two hundred thirty-two".