22070068920 has 128 divisors (see below), whose sum is σ = 73643169600. Its totient is φ = 5879250432.

The previous prime is 22070068897. The next prime is 22070068961. The reversal of 22070068920 is 2986007022.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083954 + ... + 1104126.

Almost surely, 2^22070068920 is an apocalyptic number.

22070068920 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 22070068920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36821584800).

22070068920 is an abundant number, since it is smaller than the sum of its proper divisors (51573100680).

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

22070068920 is a wasteful number, since it uses less digits than its factorization.

22070068920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21206 (or 21196 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 22070068920 in words is "twenty-two billion, seventy million, sixty-eight thousand, nine hundred twenty".