156337420220 has 48 divisors (see below), whose sum is σ = 342632263680. Its totient is φ = 59807432256.

The previous prime is 156337420201. The next prime is 156337420241. The reversal of 156337420220 is 22024733651.

It is a super-2 number, since 2×156337420220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3826661 + ... + 3867299.

It is an arithmetic number, because the mean of its divisors is an integer number (7138172160).

Almost surely, 2^156337420220 is an apocalyptic number.

156337420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156337420220 is an abundant number, since it is smaller than the sum of its proper divisors (186294843460).

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

156337420220 is a wasteful number, since it uses less digits than its factorization.

156337420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49034 (or 49032 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 156337420220 in words is "one hundred fifty-six billion, three hundred thirty-seven million, four hundred twenty thousand, two hundred twenty".