220862245640784 has 160 divisors (see below), whose sum is σ = 683675934796800. Its totient is φ = 60648671508480.

The previous prime is 220862245640759. The next prime is 220862245640789. The reversal of 220862245640784 is 487046542268022.

It is a happy number.

It is a super-2 number, since 2×220862245640784² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220862245640789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478373049 + ... + 478834520.

It is an arithmetic number, because the mean of its divisors is an integer number (4272974592480).

Almost surely, 2^{220862245640784} is an apocalyptic number.

220862245640784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220862245640784 is an abundant number, since it is smaller than the sum of its proper divisors (462813689156016).

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

220862245640784 is a wasteful number, since it uses less digits than its factorization.

220862245640784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957207633 (or 957207627 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 60.

The spelling of 220862245640784 in words is "two hundred twenty trillion, eight hundred sixty-two billion, two hundred forty-five million, six hundred forty thousand, seven hundred eighty-four".