220492790081109 has 96 divisors (see below), whose sum is σ = 399023388201984. Its totient is φ = 114222063997440.

The previous prime is 220492790080957. The next prime is 220492790081111. The reversal of 220492790081109 is 901180097294022.

It is a happy number.

220492790081109 is a `hidden beast` number, since 2 + 2 + 0 + 492 + 79 + 0 + 0 + 81 + 1 + 0 + 9 = 666.

220492790081109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220492790081109 - 2¹¹ = 220492790079061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220492790081609) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29243844 + ... + 36002610.

It is an arithmetic number, because the mean of its divisors is an integer number (4156493627104).

Almost surely, 2^{220492790081109} is an apocalyptic number.

It is an amenable number.

220492790081109 is a deficient number, since it is larger than the sum of its proper divisors (178530598120875).

220492790081109 is a wasteful number, since it uses less digits than its factorization.

220492790081109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759507 (or 6759504 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 220492790081109 in words is "two hundred twenty trillion, four hundred ninety-two billion, seven hundred ninety million, eighty-one thousand, one hundred nine".