156055020 has 192 divisors, whose sum is σ = 501258240. Its totient is φ = 35942400.

The previous prime is 156055007. The next prime is 156055043. The reversal of 156055020 is 20550651.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1975341 + ... + 1975419.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^156055020 is an apocalyptic number.

156055020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156055020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250629120).

156055020 is an abundant number, since it is smaller than the sum of its proper divisors (345203220).

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

156055020 is a wasteful number, since it uses less digits than its factorization.

156055020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 156055020 is about 12492.1983653799. The cubic root of 156055020 is about 538.3845410258.

The spelling of 156055020 in words is "one hundred fifty-six million, fifty-five thousand, twenty".