20334131332 has 12 divisors (see below), whose sum is σ = 35588889756. Its totient is φ = 10165877120.

The previous prime is 20334131309. The next prime is 20334131359. The reversal of 20334131332 is 23313143302.

It can be written as a sum of positive squares in 2 ways, for example, as 17767290436 + 2566840896 = 133294^2 + 50664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20334131297 and 20334131306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258073 + ... + 327520.

It is an arithmetic number, because the mean of its divisors is an integer number (2965740813).

Almost surely, 2^20334131332 is an apocalyptic number.

It is an amenable number.

20334131332 is a deficient number, since it is larger than the sum of its proper divisors (15254758424).

20334131332 is a wasteful number, since it uses less digits than its factorization.

20334131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594278 (or 594276 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20334131332 its reverse (23313143302), we get a palindrome (43647274634).

The spelling of 20334131332 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, three hundred thirty-two".