20212300404 has 36 divisors (see below), whose sum is σ = 52854006660. Its totient is φ = 6505107840.

The previous prime is 20212300351. The next prime is 20212300447. The reversal of 20212300404 is 40400321202.

20212300404 is a `hidden beast` number, since 20 + 212 + 30 + 0 + 404 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17357535504 + 2854764900 = 131748^2 + 53430^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 9679177 + ... + 9681264.

Almost surely, 2^20212300404 is an apocalyptic number.

It is an amenable number.

20212300404 is an abundant number, since it is smaller than the sum of its proper divisors (32641706256).

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

20212300404 is a wasteful number, since it uses less digits than its factorization.

20212300404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360480 (or 19360475 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20212300404 its reverse (40400321202), we get a palindrome (60612621606).

The spelling of 20212300404 in words is "twenty billion, two hundred twelve million, three hundred thousand, four hundred four".