20134148554 has 16 divisors (see below), whose sum is σ = 33317673480. Its totient is φ = 9066032640.

The previous prime is 20134148519. The next prime is 20134148557. The reversal of 20134148554 is 45584143102.

It can be written as a sum of positive squares in 4 ways, for example, as 3447451225 + 16686697329 = 58715^2 + 129177^2 .

It is not an unprimeable number, because it can be changed into a prime (20134148557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442719 + ... + 9444850.

Almost surely, 2^20134148554 is an apocalyptic number.

20134148554 is a deficient number, since it is larger than the sum of its proper divisors (13183524926).

20134148554 is a wasteful number, since it uses less digits than its factorization.

20134148554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887625.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 20134148554 in words is "twenty billion, one hundred thirty-four million, one hundred forty-eight thousand, five hundred fifty-four".