20112132299 has 32 divisors (see below), whose sum is σ = 23544483840. Its totient is φ = 16825485600.

The previous prime is 20112132289. The next prime is 20112132311. The reversal of 20112132299 is 99223121102.

It is a happy number.

It is not a de Polignac number, because 20112132299 - 2⁴ = 20112132283 is a prime.

It is a super-2 number, since 2×20112132299² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112132239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29446412 + ... + 29447094.

It is an arithmetic number, because the mean of its divisors is an integer number (735765120).

Almost surely, 2^20112132299 is an apocalyptic number.

20112132299 is a deficient number, since it is larger than the sum of its proper divisors (3432351541).

20112132299 is a wasteful number, since it uses less digits than its factorization.

20112132299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 20112132299 in words is "twenty billion, one hundred twelve million, one hundred thirty-two thousand, two hundred ninety-nine".