20033512256404 has 12 divisors (see below), whose sum is σ = 36903838367200. Its totient is φ = 9489558437208.

The previous prime is 20033512256357. The next prime is 20033512256411. The reversal of 20033512256404 is 40465221533002.

It is a super-2 number, since 2×20033512256404² (a number of 27 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 in 3 ways as a sum of consecutive naturals, for example, 131799422664 + ... + 131799422815.

Almost surely, 2^{20033512256404} is an apocalyptic number.

It is an amenable number.

20033512256404 is a deficient number, since it is larger than the sum of its proper divisors (16870326110796).

20033512256404 is a wasteful number, since it uses less digits than its factorization.

20033512256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263598845502 (or 263598845500 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 20033512256404 its reverse (40465221533002), we get a palindrome (60498733789406).

The spelling of 20033512256404 in words is "twenty trillion, thirty-three billion, five hundred twelve million, two hundred fifty-six thousand, four hundred four".