22050545020 has 72 divisors (see below), whose sum is σ = 53424405216. Its totient is φ = 7488986496.

The previous prime is 22050544991. The next prime is 22050545021. The reversal of 22050545020 is 2054505022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22050545021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595982 + ... + 1609738.

It is an arithmetic number, because the mean of its divisors is an integer number (742005628).

Almost surely, 2^22050545020 is an apocalyptic number.

22050545020 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 22050545020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26712202608).

22050545020 is an abundant number, since it is smaller than the sum of its proper divisors (31373860196).

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

22050545020 is a wasteful number, since it uses less digits than its factorization.

22050545020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987 (or 13878 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 22050545020 in words is "twenty-two billion, fifty million, five hundred forty-five thousand, twenty".