10120402004 has 12 divisors (see below), whose sum is σ = 17723072724. Its totient is φ = 5056666944.

The previous prime is 10120401997. The next prime is 10120402007. The reversal of 10120402004 is 40020402101.

It can be written as a sum of positive squares in 2 ways, for example, as 7674110404 + 2446291600 = 87602^2 + 49460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10120402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120402007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877067 + ... + 888530.

It is an arithmetic number, because the mean of its divisors is an integer number (1476922727).

Almost surely, 2^10120402004 is an apocalyptic number.

It is an amenable number.

10120402004 is a deficient number, since it is larger than the sum of its proper divisors (7602670720).

10120402004 is a wasteful number, since it uses less digits than its factorization.

10120402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767034 (or 1767032 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10120402004 its reverse (40020402101), we get a palindrome (50140804105).

The spelling of 10120402004 in words is "ten billion, one hundred twenty million, four hundred two thousand, four".