10120402506 has 32 divisors (see below), whose sum is σ = 20455344000. Its totient is φ = 3337899840.

The previous prime is 10120402469. The next prime is 10120402529. The reversal of 10120402506 is 60520402101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192700 + ... + 239528.

It is an arithmetic number, because the mean of its divisors is an integer number (639229500).

Almost surely, 2^10120402506 is an apocalyptic number.

10120402506 is an abundant number, since it is smaller than the sum of its proper divisors (10334941494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120402506 is a wasteful number, since it uses less digits than its factorization.

10120402506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47214.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10120402506 its reverse (60520402101), we get a palindrome (70640804607).

The spelling of 10120402506 in words is "ten billion, one hundred twenty million, four hundred two thousand, five hundred six".