20044431202 has 4 divisors (see below), whose sum is σ = 30066646806. Its totient is φ = 10022215600.

The previous prime is 20044431181. The next prime is 20044431221. The reversal of 20044431202 is 20213444002.

It is a happy number.

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., 16835322001 + 3209109201 = 129751^2 + 56649^2 .

It is a super-2 number, since 2×20044431202² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011107799 + ... + 5011107802.

Almost surely, 2^20044431202 is an apocalyptic number.

20044431202 is a deficient number, since it is larger than the sum of its proper divisors (10022215604).

20044431202 is a wasteful number, since it uses less digits than its factorization.

20044431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022215603.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20044431202 its reverse (20213444002), we get a palindrome (40257875204).

The spelling of 20044431202 in words is "twenty billion, forty-four million, four hundred thirty-one thousand, two hundred two".