200400202004 has 12 divisors (see below), whose sum is σ = 350705562228. Its totient is φ = 100198612800.

The previous prime is 200400201917. The next prime is 200400202091. The reversal of 200400202004 is 400202004002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200400201917) and next prime (200400202091).

It can be written as a sum of positive squares in 2 ways, for example, as 170816890000 + 29583312004 = 413300^2 + 171998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200400202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35177 + ... + 634064.

It is an arithmetic number, because the mean of its divisors is an integer number (29225463519).

Almost surely, 2^200400202004 is an apocalyptic number.

It is an amenable number.

200400202004 is a deficient number, since it is larger than the sum of its proper divisors (150305360224).

200400202004 is a wasteful number, since it uses less digits than its factorization.

200400202004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744106 (or 744104 counting only the distinct ones).

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

Adding to 200400202004 its reverse (400202004002), we get a palindrome (600602206006).

The spelling of 200400202004 in words is "two hundred billion, four hundred million, two hundred two thousand, four".