20040124264 has 8 divisors (see below), whose sum is σ = 37575233010. Its totient is φ = 10020062128.

The previous prime is 20040124253. The next prime is 20040124271. The reversal of 20040124264 is 46242104002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17545121764 + 2495002500 = 132458^2 + 49950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252507759 + ... + 1252507774.

Almost surely, 2^20040124264 is an apocalyptic number.

It is an amenable number.

20040124264 is a deficient number, since it is larger than the sum of its proper divisors (17535108746).

20040124264 is a wasteful number, since it uses less digits than its factorization.

20040124264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505015539 (or 2505015535 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20040124264 its reverse (46242104002), we get a palindrome (66282228266).

The spelling of 20040124264 in words is "twenty billion, forty million, one hundred twenty-four thousand, two hundred sixty-four".