20213112404 has 96 divisors (see below), whose sum is σ = 40567080960. Its totient is φ = 8760729600.

The previous prime is 20213112401. The next prime is 20213112427. The reversal of 20213112404 is 40421131202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213112401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4338044 + ... + 4342700.

It is an arithmetic number, because the mean of its divisors is an integer number (422573760).

Almost surely, 2^20213112404 is an apocalyptic number.

It is an amenable number.

20213112404 is an abundant number, since it is smaller than the sum of its proper divisors (20353968556).

20213112404 is a wasteful number, since it uses less digits than its factorization.

20213112404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 4807 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20213112404 its reverse (40421131202), we get a palindrome (60634243606).

The spelling of 20213112404 in words is "twenty billion, two hundred thirteen million, one hundred twelve thousand, four hundred four".