202651240 has 32 divisors (see below), whose sum is σ = 497417760. Its totient is φ = 73691200.

The previous prime is 202651219. The next prime is 202651249. The reversal of 202651240 is 42156202.

202651240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (202651249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229846 + ... + 230725.

It is an arithmetic number, because the mean of its divisors is an integer number (15544305).

Almost surely, 2^202651240 is an apocalyptic number.

202651240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202651240 is an abundant number, since it is smaller than the sum of its proper divisors (294766520).

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

202651240 is a wasteful number, since it uses less digits than its factorization.

202651240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460593 (or 460589 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 202651240 is about 14235.5625108388. The cubic root of 202651240 is about 587.3763035188.

The spelling of 202651240 in words is "two hundred two million, six hundred fifty-one thousand, two hundred forty".