20233021404 has 12 divisors (see below), whose sum is σ = 47210383304. Its totient is φ = 6744340464.

The previous prime is 20233021387. The next prime is 20233021411. The reversal of 20233021404 is 40412033202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843042547 + ... + 843042570.

Almost surely, 2^20233021404 is an apocalyptic number.

It is an amenable number.

20233021404 is an abundant number, since it is smaller than the sum of its proper divisors (26977361900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20233021404 is a wasteful number, since it uses less digits than its factorization.

20233021404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686085124 (or 1686085122 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20233021404 its reverse (40412033202), we get a palindrome (60645054606).

The spelling of 20233021404 in words is "twenty billion, two hundred thirty-three million, twenty-one thousand, four hundred four".