20630125699 has 16 divisors (see below), whose sum is σ = 20933531200. Its totient is φ = 20329574400.

The previous prime is 20630125693. The next prime is 20630125709. The reversal of 20630125699 is 99652103602.

It is a cyclic number.

It is not a de Polignac number, because 20630125699 - 2⁵ = 20630125667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20630125693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13317577 + ... + 13319125.

It is an arithmetic number, because the mean of its divisors is an integer number (1308345700).

Almost surely, 2^20630125699 is an apocalyptic number.

20630125699 is a deficient number, since it is larger than the sum of its proper divisors (303405501).

20630125699 is a wasteful number, since it uses less digits than its factorization.

20630125699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 20630125699 in words is "twenty billion, six hundred thirty million, one hundred twenty-five thousand, six hundred ninety-nine".