22520340140432 has 20 divisors (see below), whose sum is σ = 44082985406796. Its totient is φ = 11144085841920.

The previous prime is 22520340140411. The next prime is 22520340140443. The reversal of 22520340140432 is 23404104302522.

It can be written as a sum of positive squares in 2 ways, for example, as 4805635614976 + 17714704525456 = 2192176^2 + 4208884^2 .

It is a super-2 number, since 2×22520340140432² (a number of 28 digits) contains 22 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, 7255262669 + ... + 7255265772.

Almost surely, 2^{22520340140432} is an apocalyptic number.

It is an amenable number.

22520340140432 is a deficient number, since it is larger than the sum of its proper divisors (21562645266364).

22520340140432 is a wasteful number, since it uses less digits than its factorization.

22520340140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14510528546 (or 14510528540 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22520340140432 its reverse (23404104302522), we get a palindrome (45924444442954).

The spelling of 22520340140432 in words is "twenty-two trillion, five hundred twenty billion, three hundred forty million, one hundred forty thousand, four hundred thirty-two".