152921020 has 48 divisors (see below), whose sum is σ = 382975488. Its totient is φ = 50149440.

The previous prime is 152921009. The next prime is 152921099. The reversal of 152921020 is 20129251.

It is a junction number, because it is equal to n+sod(n) for n = 152920982 and 152921000.

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, 20526 + ... + 26965.

It is an arithmetic number, because the mean of its divisors is an integer number (7978656).

Almost surely, 2^152921020 is an apocalyptic number.

152921020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152921020 is an abundant number, since it is smaller than the sum of its proper divisors (230054468).

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

152921020 is a wasteful number, since it uses less digits than its factorization.

152921020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47530 (or 47528 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 152921020 is about 12366.1238874596. The cubic root of 152921020 is about 534.7560771184.

The spelling of 152921020 in words is "one hundred fifty-two million, nine hundred twenty-one thousand, twenty".