20112260406 has 48 divisors (see below), whose sum is σ = 47317601520. Its totient is φ = 5681786880.

The previous prime is 20112260387. The next prime is 20112260423. The reversal of 20112260406 is 60406221102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 358155 + ... + 410486.

It is an arithmetic number, because the mean of its divisors is an integer number (985783365).

Almost surely, 2^20112260406 is an apocalyptic number.

20112260406 is an abundant number, since it is smaller than the sum of its proper divisors (27205341114).

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

20112260406 is a wasteful number, since it uses less digits than its factorization.

20112260406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768749 (or 768742 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20112260406 its reverse (60406221102), we get a palindrome (80518481508).

The spelling of 20112260406 in words is "twenty billion, one hundred twelve million, two hundred sixty thousand, four hundred six".