220923798040 has 64 divisors (see below), whose sum is σ = 550361122560. Its totient is φ = 79136872320.

The previous prime is 220923798013. The next prime is 220923798071. The reversal of 220923798040 is 40897329022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3717532 + ... + 3776491.

It is an arithmetic number, because the mean of its divisors is an integer number (8599392540).

Almost surely, 2^220923798040 is an apocalyptic number.

220923798040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220923798040 is an abundant number, since it is smaller than the sum of its proper divisors (329437324520).

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

220923798040 is a wasteful number, since it uses less digits than its factorization.

220923798040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494112 (or 7494108 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 220923798040 in words is "two hundred twenty billion, nine hundred twenty-three million, seven hundred ninety-eight thousand, forty".