153420278920 has 32 divisors (see below), whose sum is σ = 348754354200. Its totient is φ = 60735449088.

The previous prime is 153420278917. The next prime is 153420278927. The reversal of 153420278920 is 29872024351.

It can be written as a sum of positive squares in 4 ways, for example, as 118516324644 + 34903954276 = 344262^2 + 186826^2 .

It is not an unprimeable number, because it can be changed into a prime (153420278927) 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, 19766775 + ... + 19774534.

Almost surely, 2^153420278920 is an apocalyptic number.

153420278920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153420278920 is an abundant number, since it is smaller than the sum of its proper divisors (195334075280).

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

153420278920 is a wasteful number, since it uses less digits than its factorization.

153420278920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39541417 (or 39541413 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 153420278920 in words is "one hundred fifty-three billion, four hundred twenty million, two hundred seventy-eight thousand, nine hundred twenty".