20117625632401 has 16 divisors (see below), whose sum is σ = 22037508966528. Its totient is φ = 18212958086400.

The previous prime is 20117625632231. The next prime is 20117625632407. The reversal of 20117625632401 is 10423652671102.

It is not a de Polignac number, because 20117625632401 - 2⁹ = 20117625631889 is a prime.

It is a super-2 number, since 2×20117625632401² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20117625632407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7246921 + ... + 9630841.

It is an arithmetic number, because the mean of its divisors is an integer number (1377344310408).

Almost surely, 2^{20117625632401} is an apocalyptic number.

It is an amenable number.

20117625632401 is a deficient number, since it is larger than the sum of its proper divisors (1919883334127).

20117625632401 is a wasteful number, since it uses less digits than its factorization.

20117625632401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387112.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20117625632401 in words is "twenty trillion, one hundred seventeen billion, six hundred twenty-five million, six hundred thirty-two thousand, four hundred one".