20264431106 has 32 divisors (see below), whose sum is σ = 33296486400. Its totient is φ = 9220044240.

The previous prime is 20264431073. The next prime is 20264431111. The reversal of 20264431106 is 60113446202.

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, 36296 + ... + 204563.

It is an arithmetic number, because the mean of its divisors is an integer number (1040515200).

Almost surely, 2^20264431106 is an apocalyptic number.

20264431106 is a deficient number, since it is larger than the sum of its proper divisors (13032055294).

20264431106 is a wasteful number, since it uses less digits than its factorization.

20264431106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240974.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20264431106 its reverse (60113446202), we get a palindrome (80377877308).

The spelling of 20264431106 in words is "twenty billion, two hundred sixty-four million, four hundred thirty-one thousand, one hundred six".