20024204402 has 4 divisors (see below), whose sum is σ = 30036306606. Its totient is φ = 10012102200.

The previous prime is 20024204399. The next prime is 20024204419. The reversal of 20024204402 is 20440242002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17100531361 + 2923673041 = 130769^2 + 54071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006051099 + ... + 5006051102.

Almost surely, 2^20024204402 is an apocalyptic number.

20024204402 is a deficient number, since it is larger than the sum of its proper divisors (10012102204).

20024204402 is a wasteful number, since it uses less digits than its factorization.

20024204402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012102203.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20024204402 its reverse (20440242002), we get a palindrome (40464446404).

The spelling of 20024204402 in words is "twenty billion, twenty-four million, two hundred four thousand, four hundred two".