202420902 has 16 divisors (see below), whose sum is σ = 405451440. Its totient is φ = 67372032.

The previous prime is 202420877. The next prime is 202420913. The reversal of 202420902 is 209024202.

It is a congruent number.

It is an unprimeable number.

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, 21027 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (25340715).

Almost surely, 2^202420902 is an apocalyptic number.

202420902 is an abundant number, since it is smaller than the sum of its proper divisors (203030538).

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

202420902 is a wasteful number, since it uses less digits than its factorization.

202420902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50807.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 202420902 is about 14227.4699788824. The cubic root of 202420902 is about 587.1536774031.

The spelling of 202420902 in words is "two hundred two million, four hundred twenty thousand, nine hundred two".