20134037768 has 32 divisors (see below), whose sum is σ = 40661996760. Its totient is φ = 9291095040.

The previous prime is 20134037767. The next prime is 20134037779. The reversal of 20134037768 is 86773043102.

It can be written as a sum of positive squares in 4 ways, for example, as 15545601124 + 4588436644 = 124682^2 + 67738^2 .

It is not an unprimeable number, because it can be changed into a prime (20134037767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828446 + ... + 852402.

Almost surely, 2^20134037768 is an apocalyptic number.

It is an amenable number.

20134037768 is an abundant number, since it is smaller than the sum of its proper divisors (20527958992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20134037768 is a wasteful number, since it uses less digits than its factorization.

20134037768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32057 (or 32053 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20134037768 in words is "twenty billion, one hundred thirty-four million, thirty-seven thousand, seven hundred sixty-eight".