20112201132 has 24 divisors (see below), whose sum is σ = 47455758000. Its totient is φ = 6628740096.

The previous prime is 20112201089. The next prime is 20112201139. The reversal of 20112201132 is 23110221102.

It is not an unprimeable number, because it can be changed into a prime (20112201139) 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, 9414757 + ... + 9416892.

It is an arithmetic number, because the mean of its divisors is an integer number (1977323250).

Almost surely, 2^20112201132 is an apocalyptic number.

It is an amenable number.

20112201132 is an abundant number, since it is smaller than the sum of its proper divisors (27343556868).

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

20112201132 is a wasteful number, since it uses less digits than its factorization.

20112201132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18831745 (or 18831743 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112201132 its reverse (23110221102), we get a palindrome (43222422234).

The spelling of 20112201132 in words is "twenty billion, one hundred twelve million, two hundred one thousand, one hundred thirty-two".