20112020404 has 24 divisors (see below), whose sum is σ = 41044942400. Its totient is φ = 8619436728.

The previous prime is 20112020377. The next prime is 20112020483. The reversal of 20112020404 is 40402021102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7328082 + ... + 7330825.

Almost surely, 2^20112020404 is an apocalyptic number.

It is an amenable number.

20112020404 is an abundant number, since it is smaller than the sum of its proper divisors (20932921996).

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

20112020404 is a wasteful number, since it uses less digits than its factorization.

20112020404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14658932 (or 14658916 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20112020404 its reverse (40402021102), we get a palindrome (60514041506).

The spelling of 20112020404 in words is "twenty billion, one hundred twelve million, twenty thousand, four hundred four".