20240004402 has 48 divisors (see below), whose sum is σ = 45056587992. Its totient is φ = 6561699840.

The previous prime is 20240004401. The next prime is 20240004403. The reversal of 20240004402 is 20440004202.

20240004402 is a `hidden beast` number, since 20 + 240 + 0 + 0 + 4 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (20240004401) and next prime (20240004403).

It can be written as a sum of positive squares in 4 ways, for example, as 19571730201 + 668274201 = 139899^2 + 25851^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20240004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2338002 + ... + 2346642.

Almost surely, 2^20240004402 is an apocalyptic number.

20240004402 is an abundant number, since it is smaller than the sum of its proper divisors (24816583590).

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

20240004402 is a wasteful number, since it uses less digits than its factorization.

20240004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203 (or 12200 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20240004402 its reverse (20440004202), we get a palindrome (40680008604).

The spelling of 20240004402 in words is "twenty billion, two hundred forty million, four thousand, four hundred two".