22312230020 has 12 divisors (see below), whose sum is σ = 46855683084. Its totient is φ = 8924892000.

The previous prime is 22312230013. The next prime is 22312230037. The reversal of 22312230020 is 2003221322.

It can be written as a sum of positive squares in 2 ways, for example, as 3811333696 + 18500896324 = 61736^2 + 136018^2 .

It is a super-3 number, since 3×22312230020³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557805731 + ... + 557805770.

It is an arithmetic number, because the mean of its divisors is an integer number (3904640257).

Almost surely, 2^22312230020 is an apocalyptic number.

22312230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22312230020 is an abundant number, since it is smaller than the sum of its proper divisors (24543453064).

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

22312230020 is a wasteful number, since it uses less digits than its factorization.

22312230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115611510 (or 1115611508 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22312230020 its reverse (2003221322), we get a palindrome (24315451342).

The spelling of 22312230020 in words is "twenty-two billion, three hundred twelve million, two hundred thirty thousand, twenty".