152776220 has 24 divisors (see below), whose sum is σ = 322089264. Its totient is φ = 60870656.

The previous prime is 152776201. The next prime is 152776223. The reversal of 152776220 is 22677251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152776223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9722 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (13420386).

Almost surely, 2^152776220 is an apocalyptic number.

152776220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152776220 is an abundant number, since it is smaller than the sum of its proper divisors (169313044).

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

152776220 is a wasteful number, since it uses less digits than its factorization.

152776220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29989 (or 29987 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 152776220 is about 12360.2677964517. The cubic root of 152776220 is about 534.5872380383.

The spelling of 152776220 in words is "one hundred fifty-two million, seven hundred seventy-six thousand, two hundred twenty".