13337808820 has 48 divisors (see below), whose sum is σ = 32664038400. Its totient is φ = 4572960672.

The previous prime is 13337808787. The next prime is 13337808823. The reversal of 13337808820 is 2880873331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13337808823) 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, 965284 + ... + 979003.

It is an arithmetic number, because the mean of its divisors is an integer number (680500800).

Almost surely, 2^13337808820 is an apocalyptic number.

13337808820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13337808820 is an abundant number, since it is smaller than the sum of its proper divisors (19326229580).

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

13337808820 is a wasteful number, since it uses less digits than its factorization.

13337808820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944317 (or 1944301 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 13337808820 in words is "thirteen billion, three hundred thirty-seven million, eight hundred eight thousand, eight hundred twenty".