22420141520 has 160 divisors (see below), whose sum is σ = 62448503040. Its totient is φ = 7324692480.

The previous prime is 22420141517. The next prime is 22420141537. The reversal of 22420141520 is 2514102422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975926 + ... + 998634.

It is an arithmetic number, because the mean of its divisors is an integer number (390303144).

Almost surely, 2^22420141520 is an apocalyptic number.

22420141520 is a gapful number since it is divisible by the number (20) 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 22420141520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31224251520).

22420141520 is an abundant number, since it is smaller than the sum of its proper divisors (40028361520).

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

22420141520 is a wasteful number, since it uses less digits than its factorization.

22420141520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22813 (or 22807 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 22420141520 its reverse (2514102422), we get a palindrome (24934243942).

The spelling of 22420141520 in words is "twenty-two billion, four hundred twenty million, one hundred forty-one thousand, five hundred twenty".