22045370020 has 24 divisors (see below), whose sum is σ = 46298254968. Its totient is φ = 8817580800.

The previous prime is 22045369967. The next prime is 22045370021. The reversal of 22045370020 is 2007354022.

It can be written as a sum of positive squares in 4 ways, for example, as 2505803364 + 19539566656 = 50058^2 + 139784^2 .

It is not an unprimeable number, because it can be changed into a prime (22045370021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436480 + ... + 484360.

It is an arithmetic number, because the mean of its divisors is an integer number (1929093957).

Almost surely, 2^22045370020 is an apocalyptic number.

22045370020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22045370020 is an abundant number, since it is smaller than the sum of its proper divisors (24252884948).

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

22045370020 is a wasteful number, since it uses less digits than its factorization.

22045370020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70911 (or 70909 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The spelling of 22045370020 in words is "twenty-two billion, forty-five million, three hundred seventy thousand, twenty".