220922857286736 has 40 divisors (see below), whose sum is σ = 622600779627744. Its totient is φ = 66946320389760.

The previous prime is 220922857286723. The next prime is 220922857286801. The reversal of 220922857286736 is 637682758229022.

220922857286736 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209207250691 + ... + 209207251746.

Almost surely, 2^{220922857286736} is an apocalyptic number.

It is an amenable number.

220922857286736 is an abundant number, since it is smaller than the sum of its proper divisors (401677922341008).

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

220922857286736 is a wasteful number, since it uses less digits than its factorization.

220922857286736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418414502459 (or 418414502453 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 69.

The spelling of 220922857286736 in words is "two hundred twenty trillion, nine hundred twenty-two billion, eight hundred fifty-seven million, two hundred eighty-six thousand, seven hundred thirty-six".