402020204 has 12 divisors (see below), whose sum is σ = 703675728. Its totient is φ = 200970000.

The previous prime is 402020173. The next prime is 402020239.

It is a happy number.

402020204 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34529 + ... + 44679.

It is an arithmetic number, because the mean of its divisors is an integer number (58639644).

Almost surely, 2^402020204 is an apocalyptic number.

It is an amenable number.

402020204 is a deficient number, since it is larger than the sum of its proper divisors (301655524).

402020204 is a wasteful number, since it uses less digits than its factorization.

402020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20056 (or 20054 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 402020204 is about 20050.4414913986. The cubic root of 402020204 is about 738.0446331851.

The spelling of 402020204 in words is "four hundred two million, twenty thousand, two hundred four".