2020400204 has 6 divisors (see below), whose sum is σ = 3535700364. Its totient is φ = 1010200100.

The previous prime is 2020400197. The next prime is 2020400237. The reversal of 2020400204 is 4020040202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252550022 + ... + 252550029.

It is an arithmetic number, because the mean of its divisors is an integer number (589283394).

Almost surely, 2^2020400204 is an apocalyptic number.

It is an amenable number.

2020400204 is a deficient number, since it is larger than the sum of its proper divisors (1515300160).

2020400204 is a wasteful number, since it uses less digits than its factorization.

2020400204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505100055 (or 505100053 counting only the distinct ones).

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

The square root of 2020400204 is about 44948.8620990565. The cubic root of 2020400204 is about 1264.1903413018.

Adding to 2020400204 its reverse (4020040202), we get a palindrome (6040440406).

The spelling of 2020400204 in words is "two billion, twenty million, four hundred thousand, two hundred four".