20132111202 has 64 divisors (see below), whose sum is σ = 48169893888. Its totient is φ = 5488056000.

The previous prime is 20132111183. The next prime is 20132111213. The reversal of 20132111202 is 20211123102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16449 + ... + 201332.

It is an arithmetic number, because the mean of its divisors is an integer number (752654592).

Almost surely, 2^20132111202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20132111202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24084946944).

20132111202 is an abundant number, since it is smaller than the sum of its proper divisors (28037782686).

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

20132111202 is a wasteful number, since it uses less digits than its factorization.

20132111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217895.

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

Adding to 20132111202 its reverse (20211123102), we get a palindrome (40343234304).

The spelling of 20132111202 in words is "twenty billion, one hundred thirty-two million, one hundred eleven thousand, two hundred two".