202740928 has 56 divisors (see below), whose sum is σ = 439848752. Its totient is φ = 92150784.

The previous prime is 202740907. The next prime is 202741013. The reversal of 202740928 is 829047202.

It is a super-2 number, since 2×202740928² = 82207767772602368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202740893 and 202740902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53926 + ... + 57562.

It is an arithmetic number, because the mean of its divisors is an integer number (7854442).

Almost surely, 2^202740928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202740928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219924376).

202740928 is an abundant number, since it is smaller than the sum of its proper divisors (237107824).

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

202740928 is a wasteful number, since it uses less digits than its factorization.

202740928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 202740928 is about 14238.7123013284. The cubic root of 202740928 is about 587.4629430678.

The spelling of 202740928 in words is "two hundred two million, seven hundred forty thousand, nine hundred twenty-eight".