20032161567055 has 16 divisors (see below), whose sum is σ = 26227679723424. Its totient is φ = 14566756372480.

The previous prime is 20032161567017. The next prime is 20032161567079. The reversal of 20032161567055 is 55076516123002.

It is not a de Polignac number, because 20032161567055 - 2¹⁷ = 20032161435983 is a prime.

It is a super-2 number, since 2×20032161567055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25717822 + ... + 26485291.

It is an arithmetic number, because the mean of its divisors is an integer number (1639229982714).

Almost surely, 2^{20032161567055} is an apocalyptic number.

20032161567055 is a deficient number, since it is larger than the sum of its proper divisors (6195518156369).

20032161567055 is a wasteful number, since it uses less digits than its factorization.

20032161567055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52210106.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 20032161567055 in words is "twenty trillion, thirty-two billion, one hundred sixty-one million, five hundred sixty-seven thousand, fifty-five".