20024202442 has 8 divisors (see below), whose sum is σ = 30040766532. Its totient is φ = 10010613600.

The previous prime is 20024202413. The next prime is 20024202481. The reversal of 20024202442 is 24420242002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17567116681 + 2457085761 = 132541^2 + 49569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726909 + ... + 753952.

Almost surely, 2^20024202442 is an apocalyptic number.

20024202442 is a deficient number, since it is larger than the sum of its proper divisors (10016564090).

20024202442 is a wasteful number, since it uses less digits than its factorization.

20024202442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487624.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20024202442 its reverse (24420242002), we get a palindrome (44444444444).

The spelling of 20024202442 in words is "twenty billion, twenty-four million, two hundred two thousand, four hundred forty-two".