13422816756420 has 96 divisors (see below), whose sum is σ = 41524908380928. Its totient is φ = 3222391468032.

The previous prime is 13422816756373. The next prime is 13422816756469. The reversal of 13422816756420 is 2465761822431.

It is a super-2 number, since 2×13422816756420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286055329 + ... + 286102248.

It is an arithmetic number, because the mean of its divisors is an integer number (432551128968).

Almost surely, 2^{13422816756420} is an apocalyptic number.

13422816756420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422816756420 is an abundant number, since it is smaller than the sum of its proper divisors (28102091624508).

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

13422816756420 is a wasteful number, since it uses less digits than its factorization.

13422816756420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572157629 (or 572157627 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 13422816756420 in words is "thirteen trillion, four hundred twenty-two billion, eight hundred sixteen million, seven hundred fifty-six thousand, four hundred twenty".