20136426730154 has 16 divisors (see below), whose sum is σ = 36336409137600. Its totient is φ = 8175692055744.

The previous prime is 20136426730127. The next prime is 20136426730171. The reversal of 20136426730154 is 45103762463102.

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, 37850425919 + ... + 37850426450.

It is an arithmetic number, because the mean of its divisors is an integer number (2271025571100).

Almost surely, 2^{20136426730154} is an apocalyptic number.

20136426730154 is a deficient number, since it is larger than the sum of its proper divisors (16199982407446).

20136426730154 is a wasteful number, since it uses less digits than its factorization.

20136426730154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75700852397.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 20136426730154 in words is "twenty trillion, one hundred thirty-six billion, four hundred twenty-six million, seven hundred thirty thousand, one hundred fifty-four".