20220404404 has 6 divisors (see below), whose sum is σ = 35385707714. Its totient is φ = 10110202200.

The previous prime is 20220404377. The next prime is 20220404423. The reversal of 20220404404 is 40440402202.

It can be written as a sum of positive squares in only one way, i.e., 13688532004 + 6531872400 = 116998^2 + 80820^2 .

It is a super-2 number, since 2×20220404404² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527550547 + ... + 2527550554.

Almost surely, 2^20220404404 is an apocalyptic number.

It is an amenable number.

20220404404 is a deficient number, since it is larger than the sum of its proper divisors (15165303310).

20220404404 is a wasteful number, since it uses less digits than its factorization.

20220404404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055101105 (or 5055101103 counting only the distinct ones).

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

Adding to 20220404404 its reverse (40440402202), we get a palindrome (60660806606).

The spelling of 20220404404 in words is "twenty billion, two hundred twenty million, four hundred four thousand, four hundred four".