20334131306 has 4 divisors (see below), whose sum is σ = 30501196962. Its totient is φ = 10167065652.

The previous prime is 20334131291. The next prime is 20334131309. The reversal of 20334131306 is 60313143302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60313143302 = 2 ⋅30156571651.

It can be written as a sum of positive squares in only one way, i.e., 10923385225 + 9410746081 = 104515^2 + 97009^2 .

It is not an unprimeable number, because it can be changed into a prime (20334131309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083532825 + ... + 5083532828.

Almost surely, 2^20334131306 is an apocalyptic number.

20334131306 is a deficient number, since it is larger than the sum of its proper divisors (10167065656).

20334131306 is a wasteful number, since it uses less digits than its factorization.

20334131306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167065655.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20334131306 its reverse (60313143302), we get a palindrome (80647274608).

The spelling of 20334131306 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, three hundred six".