13542522420 has 48 divisors (see below), whose sum is σ = 43336073088. Its totient is φ = 3095433600.

The previous prime is 13542522419. The next prime is 13542522421. The reversal of 13542522420 is 2422524531.

It is an interprime number because it is at equal distance from previous prime (13542522419) and next prime (13542522421).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542522421) 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, 16121631 + ... + 16122470.

It is an arithmetic number, because the mean of its divisors is an integer number (902834856).

Almost surely, 2^13542522420 is an apocalyptic number.

13542522420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13542522420 is an abundant number, since it is smaller than the sum of its proper divisors (29793550668).

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

13542522420 is a wasteful number, since it uses less digits than its factorization.

13542522420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32244120 (or 32244118 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 13542522420 in words is "thirteen billion, five hundred forty-two million, five hundred twenty-two thousand, four hundred twenty".