159408020 has 24 divisors (see below), whose sum is σ = 341881344. Its totient is φ = 62406176.

The previous prime is 159408019. The next prime is 159408049. The reversal of 159408020 is 20804951.

It is a super-4 number, since 4×159408020⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

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, 83852 + ... + 85731.

It is an arithmetic number, because the mean of its divisors is an integer number (14245056).

Almost surely, 2^159408020 is an apocalyptic number.

159408020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159408020 is an abundant number, since it is smaller than the sum of its proper divisors (182473324).

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

159408020 is a wasteful number, since it uses less digits than its factorization.

159408020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169639 (or 169637 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 159408020 is about 12625.6888920961. The cubic root of 159408020 is about 542.2131621619.

The spelling of 159408020 in words is "one hundred fifty-nine million, four hundred eight thousand, twenty".