601020156 has 48 divisors (see below), whose sum is σ = 1571230080. Its totient is φ = 177203520.

The previous prime is 601020149. The next prime is 601020187. The reversal of 601020156 is 651020106.

It is a happy number.

It is a super-2 number, since 2×601020156² = 722450455836528672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56646 + ... + 66413.

It is an arithmetic number, because the mean of its divisors is an integer number (32733960).

Almost surely, 2^601020156 is an apocalyptic number.

601020156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

601020156 is an abundant number, since it is smaller than the sum of its proper divisors (970209924).

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

601020156 is a wasteful number, since it uses less digits than its factorization.

601020156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123114 (or 123112 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 601020156 is about 24515.7124310104. The cubic root of 601020156 is about 843.9104129134.

The spelling of 601020156 in words is "six hundred one million, twenty thousand, one hundred fifty-six".