20822092544 has 144 divisors (see below), whose sum is σ = 46172488320. Its totient is φ = 9292800000.

The previous prime is 20822092531. The next prime is 20822092547. The reversal of 20822092544 is 44529022802.

It is a junction number, because it is equal to n+sod(n) for n = 20822092498 and 20822092507.

It is not an unprimeable number, because it can be changed into a prime (20822092547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62906459 + ... + 62906789.

It is an arithmetic number, because the mean of its divisors is an integer number (320642280).

Almost surely, 2^20822092544 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 20822092544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23086244160).

20822092544 is an abundant number, since it is smaller than the sum of its proper divisors (25350395776).

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

20822092544 is a wasteful number, since it uses less digits than its factorization.

20822092544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 20822092544 in words is "twenty billion, eight hundred twenty-two million, ninety-two thousand, five hundred forty-four".