20422211532 has 24 divisors (see below), whose sum is σ = 47660911536. Its totient is φ = 6806106048.

The previous prime is 20422211521. The next prime is 20422211549. The reversal of 20422211532 is 23511222402.

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, 95563 + ... + 223554.

It is an arithmetic number, because the mean of its divisors is an integer number (1985871314).

Almost surely, 2^20422211532 is an apocalyptic number.

It is an amenable number.

20422211532 is an abundant number, since it is smaller than the sum of its proper divisors (27238700004).

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

20422211532 is a wasteful number, since it uses less digits than its factorization.

20422211532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324457 (or 324455 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20422211532 its reverse (23511222402), we get a palindrome (43933433934).

The spelling of 20422211532 in words is "twenty billion, four hundred twenty-two million, two hundred eleven thousand, five hundred thirty-two".