203402010004 has 12 divisors (see below), whose sum is σ = 355970346228. Its totient is φ = 101696196800.

The previous prime is 203402009981. The next prime is 203402010017. The reversal of 203402010004 is 400010204302.

It can be written as a sum of positive squares in 2 ways, for example, as 194613322500 + 8788687504 = 441150^2 + 93748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203402010004.

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, 1106017 + ... + 1276744.

It is an arithmetic number, because the mean of its divisors is an integer number (29664195519).

Almost surely, 2^203402010004 is an apocalyptic number.

It is an amenable number.

203402010004 is a deficient number, since it is larger than the sum of its proper divisors (152568336224).

203402010004 is a wasteful number, since it uses less digits than its factorization.

203402010004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404106 (or 2404104 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 203402010004 its reverse (400010204302), we get a palindrome (603412214306).

The spelling of 203402010004 in words is "two hundred three billion, four hundred two million, ten thousand, four".