22047556620 has 48 divisors (see below), whose sum is σ = 61851283200. Its totient is φ = 5868098496.

The previous prime is 22047556577. The next prime is 22047556627. The reversal of 22047556620 is 2665574022.

It is not an unprimeable number, because it can be changed into a prime (22047556627) 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, 319920 + ... + 382679.

It is an arithmetic number, because the mean of its divisors is an integer number (1288568400).

Almost surely, 2^22047556620 is an apocalyptic number.

22047556620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22047556620 is an abundant number, since it is smaller than the sum of its proper divisors (39803726580).

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

22047556620 is a wasteful number, since it uses less digits than its factorization.

22047556620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703134 (or 703132 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 22047556620 in words is "twenty-two billion, forty-seven million, five hundred fifty-six thousand, six hundred twenty".