20573610960 has 160 divisors (see below), whose sum is σ = 73003898880. Its totient is φ = 4695151104.

The previous prime is 20573610947. The next prime is 20573611057. The reversal of 20573610960 is 6901637502.

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, 1097829 + ... + 1116411.

It is an arithmetic number, because the mean of its divisors is an integer number (456274368).

Almost surely, 2^20573610960 is an apocalyptic number.

20573610960 is a gapful number since it is divisible by the number (20) 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 20573610960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36501949440).

20573610960 is an abundant number, since it is smaller than the sum of its proper divisors (52430287920).

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

20573610960 is a wasteful number, since it uses less digits than its factorization.

20573610960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19265 (or 19259 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 20573610960 in words is "twenty billion, five hundred seventy-three million, six hundred ten thousand, nine hundred sixty".