15752271920 has 160 divisors (see below), whose sum is σ = 45753071616. Its totient is φ = 4899916800.

The previous prime is 15752271911. The next prime is 15752271929. The reversal of 15752271920 is 2917225751.

It is an interprime number because it is at equal distance from previous prime (15752271911) and next prime (15752271929).

It is not an unprimeable number, because it can be changed into a prime (15752271929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3428825 + ... + 3433415.

Almost surely, 2^15752271920 is an apocalyptic number.

15752271920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15752271920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22876535808).

15752271920 is an abundant number, since it is smaller than the sum of its proper divisors (30000799696).

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

15752271920 is a wasteful number, since it uses less digits than its factorization.

15752271920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 15752271920 in words is "fifteen billion, seven hundred fifty-two million, two hundred seventy-one thousand, nine hundred twenty".