13920542370 has 48 divisors (see below), whose sum is σ = 41363899200. Its totient is φ = 3181838112.

The previous prime is 13920542351. The next prime is 13920542371. The reversal of 13920542370 is 7324502931.

13920542370 = 9902² + 9903² + ... + 10041².

It is not an unprimeable number, because it can be changed into a prime (13920542371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11047420 + ... + 11048679.

It is an arithmetic number, because the mean of its divisors is an integer number (861747900).

Almost surely, 2^13920542370 is an apocalyptic number.

13920542370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13920542370 is an abundant number, since it is smaller than the sum of its proper divisors (27443356830).

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

13920542370 is a wasteful number, since it uses less digits than its factorization.

13920542370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22096119 (or 22096116 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13920542370 in words is "thirteen billion, nine hundred twenty million, five hundred forty-two thousand, three hundred seventy".