20125526640316 has 6 divisors (see below), whose sum is σ = 35219671620560. Its totient is φ = 10062763320156.

The previous prime is 20125526640311. The next prime is 20125526640319. The reversal of 20125526640316 is 61304662552102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125526640311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515690830036 + ... + 2515690830043.

Almost surely, 2^{20125526640316} is an apocalyptic number.

It is an amenable number.

20125526640316 is a deficient number, since it is larger than the sum of its proper divisors (15094144980244).

20125526640316 is a wasteful number, since it uses less digits than its factorization.

20125526640316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031381660083 (or 5031381660081 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 20125526640316 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-six million, six hundred forty thousand, three hundred sixteen".