202412988 has 18 divisors (see below), whose sum is σ = 511655144. Its totient is φ = 67470984.

The previous prime is 202412983. The next prime is 202412993. The reversal of 202412988 is 889214202.

It is an interprime number because it is at equal distance from previous prime (202412983) and next prime (202412993).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×202412988² = 81942035422176288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5622583 = 202412988 / (2 + 0 + 2 + 4 + 1 + 2 + 9 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202412983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811256 + ... + 2811327.

Almost surely, 2^202412988 is an apocalyptic number.

It is an amenable number.

202412988 is an abundant number, since it is smaller than the sum of its proper divisors (309242156).

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

202412988 is a wasteful number, since it uses less digits than its factorization.

202412988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622593 (or 5622588 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 202412988 is about 14227.1918522244. The cubic root of 202412988 is about 587.1460253692.

The spelling of 202412988 in words is "two hundred two million, four hundred twelve thousand, nine hundred eighty-eight".