13542000820 has 24 divisors (see below), whose sum is σ = 28460081664. Its totient is φ = 5412632736.

The previous prime is 13542000817. The next prime is 13542000841. The reversal of 13542000820 is 2800024531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233764 + ... + 285883.

It is an arithmetic number, because the mean of its divisors is an integer number (1185836736).

Almost surely, 2^13542000820 is an apocalyptic number.

13542000820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13542000820 is an abundant number, since it is smaller than the sum of its proper divisors (14918080844).

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

13542000820 is a wasteful number, since it uses less digits than its factorization.

13542000820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520959 (or 520957 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 13542000820 in words is "thirteen billion, five hundred forty-two million, eight hundred twenty", and thus it is an aban number.