20134740154 has 16 divisors (see below), whose sum is σ = 31809592800. Its totient is φ = 9532139184.

The previous prime is 20134740089. The next prime is 20134740161. The reversal of 20134740154 is 45104743102.

It is a super-2 number, since 2×20134740154² (a number of 21 digits) contains 22 as substring.

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, 80349 + ... + 216160.

It is an arithmetic number, because the mean of its divisors is an integer number (1988099550).

Almost surely, 2^20134740154 is an apocalyptic number.

20134740154 is a deficient number, since it is larger than the sum of its proper divisors (11674852646).

20134740154 is a wasteful number, since it uses less digits than its factorization.

20134740154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298317.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 20134740154 in words is "twenty billion, one hundred thirty-four million, seven hundred forty thousand, one hundred fifty-four".