13420666020 has 48 divisors (see below), whose sum is σ = 38092642560. Its totient is φ = 3529817856.

The previous prime is 13420666019. The next prime is 13420666073. The reversal of 13420666020 is 2066602431.

It is a super-2 number, since 2×13420666020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1527660 + ... + 1536419.

It is an arithmetic number, because the mean of its divisors is an integer number (793596720).

Almost surely, 2^13420666020 is an apocalyptic number.

13420666020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13420666020 is an abundant number, since it is smaller than the sum of its proper divisors (24671976540).

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

13420666020 is a wasteful number, since it uses less digits than its factorization.

13420666020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064164 (or 3064162 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 13420666020 in words is "thirteen billion, four hundred twenty million, six hundred sixty-six thousand, twenty".