20404024202 has 4 divisors (see below), whose sum is σ = 30606036306. Its totient is φ = 10202012100.

The previous prime is 20404024159. The next prime is 20404024231. The reversal of 20404024202 is 20242040402.

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., 17037819841 + 3366204361 = 130529^2 + 58019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101006049 + ... + 5101006052.

Almost surely, 2^20404024202 is an apocalyptic number.

20404024202 is a deficient number, since it is larger than the sum of its proper divisors (10202012104).

20404024202 is a wasteful number, since it uses less digits than its factorization.

20404024202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202012103.

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

Adding to 20404024202 its reverse (20242040402), we get a palindrome (40646064604).

The spelling of 20404024202 in words is "twenty billion, four hundred four million, twenty-four thousand, two hundred two".