13920122490 has 16 divisors (see below), whose sum is σ = 33408294048. Its totient is φ = 3712032656.

The previous prime is 13920122471. The next prime is 13920122501. The reversal of 13920122490 is 9422102931.

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, 232002012 + ... + 232002071.

It is an arithmetic number, because the mean of its divisors is an integer number (2088018378).

Almost surely, 2^13920122490 is an apocalyptic number.

13920122490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13920122490 is an abundant number, since it is smaller than the sum of its proper divisors (19488171558).

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

13920122490 is a wasteful number, since it uses less digits than its factorization.

13920122490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464004093.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 13920122490 in words is "thirteen billion, nine hundred twenty million, one hundred twenty-two thousand, four hundred ninety".