22451300120 has 32 divisors (see below), whose sum is σ = 50520358800. Its totient is φ = 8979643008.

The previous prime is 22451300107. The next prime is 22451300143. The reversal of 22451300120 is 2100315422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22451300092 and 22451300101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524486 + ... + 565674.

Almost surely, 2^22451300120 is an apocalyptic number.

22451300120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22451300120 is an abundant number, since it is smaller than the sum of its proper divisors (28069058680).

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

22451300120 is a wasteful number, since it uses less digits than its factorization.

22451300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54827 (or 54823 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22451300120 its reverse (2100315422), we get a palindrome (24551615542).

The spelling of 22451300120 in words is "twenty-two billion, four hundred fifty-one million, three hundred thousand, one hundred twenty".