20589225360 has 320 divisors, whose sum is σ = 75663728640. Its totient is φ = 4575744000.

The previous prime is 20589225347. The next prime is 20589225373. The reversal of 20589225360 is 6352298502.

It is an interprime number because it is at equal distance from previous prime (20589225347) and next prime (20589225373).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1548340 + ... + 1561580.

It is an arithmetic number, because the mean of its divisors is an integer number (236449152).

Almost surely, 2^20589225360 is an apocalyptic number.

20589225360 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 20589225360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37831864320).

20589225360 is an abundant number, since it is smaller than the sum of its proper divisors (55074503280).

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

20589225360 is a wasteful number, since it uses less digits than its factorization.

20589225360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20589225360 in words is "twenty billion, five hundred eighty-nine million, two hundred twenty-five thousand, three hundred sixty".