13406082920 has 16 divisors (see below), whose sum is σ = 30163686660. Its totient is φ = 5362433152.

The previous prime is 13406082881. The next prime is 13406082923. The reversal of 13406082920 is 2928060431.

It can be written as a sum of positive squares in 2 ways, for example, as 12454113604 + 951969316 = 111598^2 + 30854^2 .

It is not an unprimeable number, because it can be changed into a prime (13406082923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167575997 + ... + 167576076.

Almost surely, 2^13406082920 is an apocalyptic number.

13406082920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13406082920 is an abundant number, since it is smaller than the sum of its proper divisors (16757603740).

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

13406082920 is a wasteful number, since it uses less digits than its factorization.

13406082920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335152084 (or 335152080 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13406082920 in words is "thirteen billion, four hundred six million, eighty-two thousand, nine hundred twenty".