15420022068 has 24 divisors (see below), whose sum is σ = 39250965600. Its totient is φ = 4672733920.

The previous prime is 15420022031. The next prime is 15420022081. The reversal of 15420022068 is 86022002451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58409043 + ... + 58409306.

It is an arithmetic number, because the mean of its divisors is an integer number (1635456900).

Almost surely, 2^15420022068 is an apocalyptic number.

It is an amenable number.

15420022068 is an abundant number, since it is smaller than the sum of its proper divisors (23830943532).

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

15420022068 is a wasteful number, since it uses less digits than its factorization.

15420022068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116818367 (or 116818365 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 15420022068 in words is "fifteen billion, four hundred twenty million, twenty-two thousand, sixty-eight".