10331581920 has 192 divisors, whose sum is σ = 35718713856. Its totient is φ = 2489415680.

The previous prime is 10331581901. The next prime is 10331581961. The reversal of 10331581920 is 2918513301.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875902 + ... + 887618.

It is an arithmetic number, because the mean of its divisors is an integer number (186034968).

Almost surely, 2^10331581920 is an apocalyptic number.

10331581920 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 10331581920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17859356928).

10331581920 is an abundant number, since it is smaller than the sum of its proper divisors (25387131936).

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

10331581920 is a wasteful number, since it uses less digits than its factorization.

10331581920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11913 (or 11905 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 10331581920 in words is "ten billion, three hundred thirty-one million, five hundred eighty-one thousand, nine hundred twenty".