22073155020 has 192 divisors, whose sum is σ = 79011072000. Its totient is φ = 5011303680.

The previous prime is 22073155007. The next prime is 22073155021. The reversal of 22073155020 is 2055137022.

22073155020 is a `hidden beast` number, since 2 + 20 + 73 + 1 + 550 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22073155021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 543625 + ... + 582815.

It is an arithmetic number, because the mean of its divisors is an integer number (411516000).

Almost surely, 2^22073155020 is an apocalyptic number.

22073155020 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 22073155020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39505536000).

22073155020 is an abundant number, since it is smaller than the sum of its proper divisors (56937916980).

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

22073155020 is a wasteful number, since it uses less digits than its factorization.

22073155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39365 (or 39357 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 22073155020 in words is "twenty-two billion, seventy-three million, one hundred fifty-five thousand, twenty".