13502452820 has 24 divisors (see below), whose sum is σ = 28358001504. Its totient is φ = 5400438176.

The previous prime is 13502452819. The next prime is 13502452823. The reversal of 13502452820 is 2825420531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13502452823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214259 + ... + 270021.

It is an arithmetic number, because the mean of its divisors is an integer number (1181583396).

Almost surely, 2^13502452820 is an apocalyptic number.

13502452820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13502452820 is an abundant number, since it is smaller than the sum of its proper divisors (14855548684).

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

13502452820 is a wasteful number, since it uses less digits than its factorization.

13502452820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67879 (or 67877 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 13502452820 in words is "thirteen billion, five hundred two million, four hundred fifty-two thousand, eight hundred twenty".