20323641630126 has 64 divisors (see below), whose sum is σ = 43913145427200. Its totient is φ = 6251164989696.

The previous prime is 20323641630079. The next prime is 20323641630151. The reversal of 20323641630126 is 62103614632302.

It is a super-2 number, since 2×20323641630126² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14268865 + ... + 15628428.

It is an arithmetic number, because the mean of its divisors is an integer number (686142897300).

Almost surely, 2^{20323641630126} is an apocalyptic number.

20323641630126 is an abundant number, since it is smaller than the sum of its proper divisors (23589503797074).

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

20323641630126 is a wasteful number, since it uses less digits than its factorization.

20323641630126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29897473.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 20323641630126 in words is "twenty trillion, three hundred twenty-three billion, six hundred forty-one million, six hundred thirty thousand, one hundred twenty-six".