22775263020 has 192 divisors, whose sum is σ = 73041454080. Its totient is φ = 5887987200.

The previous prime is 22775263019. The next prime is 22775263037. The reversal of 22775263020 is 2036257722.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 3605665 + ... + 3611975.

It is an arithmetic number, because the mean of its divisors is an integer number (380424240).

Almost surely, 2^22775263020 is an apocalyptic number.

22775263020 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 22775263020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36520727040).

22775263020 is an abundant number, since it is smaller than the sum of its proper divisors (50266191060).

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

22775263020 is a wasteful number, since it uses less digits than its factorization.

22775263020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 22775263020 in words is "twenty-two billion, seven hundred seventy-five million, two hundred sixty-three thousand, twenty".