13453099020 has 36 divisors (see below), whose sum is σ = 40807734240. Its totient is φ = 3587493024.

The previous prime is 13453099001. The next prime is 13453099031. The reversal of 13453099020 is 2099035431.

It is a happy number.

13453099020 is a `hidden beast` number, since 1 + 34 + 530 + 9 + 90 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37369540 + ... + 37369899.

Almost surely, 2^13453099020 is an apocalyptic number.

13453099020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453099020 is an abundant number, since it is smaller than the sum of its proper divisors (27354635220).

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

13453099020 is a wasteful number, since it uses less digits than its factorization.

13453099020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74739454 (or 74739449 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 13453099020 in words is "thirteen billion, four hundred fifty-three million, ninety-nine thousand, twenty".