22019483820 has 24 divisors (see below), whose sum is σ = 61654554864. Its totient is φ = 5871862336.

The previous prime is 22019483719. The next prime is 22019483833. The reversal of 22019483820 is 2838491022.

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, 183495639 + ... + 183495758.

It is an arithmetic number, because the mean of its divisors is an integer number (2568939786).

Almost surely, 2^22019483820 is an apocalyptic number.

22019483820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22019483820 is an abundant number, since it is smaller than the sum of its proper divisors (39635071044).

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

22019483820 is a wasteful number, since it uses less digits than its factorization.

22019483820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366991409 (or 366991407 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 22019483820 in words is "twenty-two billion, nineteen million, four hundred eighty-three thousand, eight hundred twenty".