20223003402404 has 36 divisors (see below), whose sum is σ = 39032798297052. Its totient is φ = 9160901259840.

The previous prime is 20223003402397. The next prime is 20223003402461. The reversal of 20223003402404 is 40420430032202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19140887500900 + 1082115901504 = 4375030^2 + 1040248^2 .

It is a super-2 number, since 2×20223003402404² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71160347 + ... + 71443970.

Almost surely, 2^{20223003402404} is an apocalyptic number.

It is an amenable number.

20223003402404 is a deficient number, since it is larger than the sum of its proper divisors (18809794894648).

20223003402404 is a wasteful number, since it uses less digits than its factorization.

20223003402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142604636 (or 142604623 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20223003402404 its reverse (40420430032202), we get a palindrome (60643433434606).

The spelling of 20223003402404 in words is "twenty trillion, two hundred twenty-three billion, three million, four hundred two thousand, four hundred four".