202474940 has 24 divisors (see below), whose sum is σ = 426777792. Its totient is φ = 80688960.

The previous prime is 202474901. The next prime is 202474969. The reversal of 202474940 is 49474202.

It is a super-2 number, since 2×202474940² = 81992202656007200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202474897 and 202474906.

It is a congruent number.

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, 13259 + ... + 24098.

It is an arithmetic number, because the mean of its divisors is an integer number (17782408).

Almost surely, 2^202474940 is an apocalyptic number.

202474940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202474940 is an abundant number, since it is smaller than the sum of its proper divisors (224302852).

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

202474940 is a wasteful number, since it uses less digits than its factorization.

202474940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37637 (or 37635 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 202474940 is about 14229.3689248680. The cubic root of 202474940 is about 587.2059213283.

The spelling of 202474940 in words is "two hundred two million, four hundred seventy-four thousand, nine hundred forty".