202402200402 has 12 divisors (see below), whose sum is σ = 438538100910. Its totient is φ = 67467400128.

The previous prime is 202402200367. The next prime is 202402200457. The reversal of 202402200402 is 204002204202.

202402200402 is a `hidden beast` number, since 2 + 0 + 2 + 40 + 220 + 0 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198104217921 + 4297982481 = 445089^2 + 65559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11244566689 = 202402200402 / (2 + 0 + 2 + 4 + 0 + 2 + 2 + 0 + 0 + 4 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5622283327 + ... + 5622283362.

Almost surely, 2^202402200402 is an apocalyptic number.

202402200402 is an abundant number, since it is smaller than the sum of its proper divisors (236135900508).

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

202402200402 is a wasteful number, since it uses less digits than its factorization.

202402200402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244566697 (or 11244566694 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 202402200402 its reverse (204002204202), we get a palindrome (406404404604).

The spelling of 202402200402 in words is "two hundred two billion, four hundred two million, two hundred thousand, four hundred two".