20682227592 has 192 divisors, whose sum is σ = 62448422400. Its totient is φ = 6140759040.

The previous prime is 20682227549. The next prime is 20682227611. The reversal of 20682227592 is 29572228602.

It is a super-2 number, since 2×20682227592² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12853284 + ... + 12854892.

It is an arithmetic number, because the mean of its divisors is an integer number (325252200).

Almost surely, 2^20682227592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20682227592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31224211200).

20682227592 is an abundant number, since it is smaller than the sum of its proper divisors (41766194808).

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

20682227592 is a wasteful number, since it uses less digits than its factorization.

20682227592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20682227592 in words is "twenty billion, six hundred eighty-two million, two hundred twenty-seven thousand, five hundred ninety-two".