20334131402 has 16 divisors (see below), whose sum is σ = 32889969000. Its totient is φ = 9372833472.

The previous prime is 20334131393. The next prime is 20334131423. The reversal of 20334131402 is 20413143302.

It can be written as a sum of positive squares in 4 ways, for example, as 9547439521 + 10786691881 = 97711^2 + 103859^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485777 + ... + 525972.

Almost surely, 2^20334131402 is an apocalyptic number.

20334131402 is a deficient number, since it is larger than the sum of its proper divisors (12555837598).

20334131402 is a wasteful number, since it uses less digits than its factorization.

20334131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012537.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20334131402 its reverse (20413143302), we get a palindrome (40747274704).

The spelling of 20334131402 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, four hundred two".