202413240 has 48 divisors (see below), whose sum is σ = 657844200. Its totient is φ = 53976768.

The previous prime is 202413227. The next prime is 202413257. The reversal of 202413240 is 42314202.

It is a super-2 number, since 2×202413240² = 81942239454595200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280770 + ... + 281489.

Almost surely, 2^202413240 is an apocalyptic number.

202413240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202413240 is an abundant number, since it is smaller than the sum of its proper divisors (455430960).

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

202413240 is a wasteful number, since it uses less digits than its factorization.

202413240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562276 (or 562269 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 202413240 is about 14227.2007085020. The cubic root of 202413240 is about 587.1462690307.

Adding to 202413240 its reverse (42314202), we get a palindrome (244727442).

The spelling of 202413240 in words is "two hundred two million, four hundred thirteen thousand, two hundred forty".