20132202031 has 4 divisors (see below), whose sum is σ = 20138680600. Its totient is φ = 20125723464.

The previous prime is 20132202029. The next prime is 20132202061. The reversal of 20132202031 is 13020223102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20132202031 - 2¹ = 20132202029 is a prime.

It is a super-2 number, since 2×20132202031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132201996 and 20132202014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132202061) 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, 3234621 + ... + 3240838.

It is an arithmetic number, because the mean of its divisors is an integer number (5034670150).

Almost surely, 2^20132202031 is an apocalyptic number.

20132202031 is a deficient number, since it is larger than the sum of its proper divisors (6478569).

20132202031 is an equidigital number, since it uses as much as digits as its factorization.

20132202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478568.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20132202031 its reverse (13020223102), we get a palindrome (33152425133).

The spelling of 20132202031 in words is "twenty billion, one hundred thirty-two million, two hundred two thousand, thirty-one".