10520510402 has 4 divisors (see below), whose sum is σ = 15780765606. Its totient is φ = 5260255200.

The previous prime is 10520510353. The next prime is 10520510411. The reversal of 10520510402 is 20401502501.

10520510402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10118146921 + 402363481 = 100589^2 + 20059^2 .

It is a super-2 number, since 2×10520510402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630127599 + ... + 2630127602.

Almost surely, 2^10520510402 is an apocalyptic number.

10520510402 is a deficient number, since it is larger than the sum of its proper divisors (5260255204).

10520510402 is an equidigital number, since it uses as much as digits as its factorization.

10520510402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260255203.

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 10520510402 in words is "ten billion, five hundred twenty million, five hundred ten thousand, four hundred two".