100022302720 has 96 divisors (see below), whose sum is σ = 242471502000. Its totient is φ = 39596064768.

The previous prime is 100022302657. The next prime is 100022302781. The reversal of 100022302720 is 27203220001.

It is a super-2 number, since 2×100022302720² (a number of 23 digits) contains 22 as substring.

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, 942931 + ... + 1043629.

Almost surely, 2^100022302720 is an apocalyptic number.

100022302720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100022302720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121235751000).

100022302720 is an abundant number, since it is smaller than the sum of its proper divisors (142449199280).

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

100022302720 is an equidigital number, since it uses as much as digits as its factorization.

100022302720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100823 (or 100803 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 100022302720 its reverse (27203220001), we get a palindrome (127225522721).

The spelling of 100022302720 in words is "one hundred billion, twenty-two million, three hundred two thousand, seven hundred twenty".