23920198490460 has 96 divisors (see below), whose sum is σ = 71207232606720. Its totient is φ = 5986263492352.

The previous prime is 23920198490417. The next prime is 23920198490471. The reversal of 23920198490460 is 6409489102932.

It is a super-2 number, since 2×23920198490460² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23920198490460.

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, 163450230 + ... + 163596509.

It is an arithmetic number, because the mean of its divisors is an integer number (741742006320).

Almost surely, 2^{23920198490460} is an apocalyptic number.

23920198490460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23920198490460 is an abundant number, since it is smaller than the sum of its proper divisors (47287034116260).

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

23920198490460 is a wasteful number, since it uses less digits than its factorization.

23920198490460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327046827 (or 327046825 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 23920198490460 in words is "twenty-three trillion, nine hundred twenty billion, one hundred ninety-eight million, four hundred ninety thousand, four hundred sixty".