20221112532 has 12 divisors (see below), whose sum is σ = 47182595936. Its totient is φ = 6740370840.

The previous prime is 20221112531. The next prime is 20221112551. The reversal of 20221112532 is 23521112202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20221112499 and 20221112508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221112531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842546344 + ... + 842546367.

Almost surely, 2^20221112532 is an apocalyptic number.

It is an amenable number.

20221112532 is an abundant number, since it is smaller than the sum of its proper divisors (26961483404).

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

20221112532 is a wasteful number, since it uses less digits than its factorization.

20221112532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685092718 (or 1685092716 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20221112532 its reverse (23521112202), we get a palindrome (43742224734).

The spelling of 20221112532 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, five hundred thirty-two".