20134037764 has 12 divisors (see below), whose sum is σ = 35242343500. Its totient is φ = 10064796768.

The previous prime is 20134037747. The next prime is 20134037767. The reversal of 20134037764 is 46773043102.

It can be written as a sum of positive squares in 2 ways, for example, as 5396077764 + 14737960000 = 73458^2 + 121400^2 .

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 3 ways as a sum of consecutive naturals, for example, 535059 + ... + 571450.

Almost surely, 2^20134037764 is an apocalyptic number.

It is an amenable number.

20134037764 is a deficient number, since it is larger than the sum of its proper divisors (15108305736).

20134037764 is a wasteful number, since it uses less digits than its factorization.

20134037764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111062 (or 1111060 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 20134037764 in words is "twenty billion, one hundred thirty-four million, thirty-seven thousand, seven hundred sixty-four".