20030091404 has 12 divisors (see below), whose sum is σ = 35057628144. Its totient is φ = 10013626224.

The previous prime is 20030091383. The next prime is 20030091457. The reversal of 20030091404 is 40419003002.

It is a self number, because there is not a number n which added to its sum of digits gives 20030091404.

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, 322799 + ... + 379814.

It is an arithmetic number, because the mean of its divisors is an integer number (2921469012).

Almost surely, 2^20030091404 is an apocalyptic number.

It is an amenable number.

20030091404 is a deficient number, since it is larger than the sum of its proper divisors (15027536740).

20030091404 is a wasteful number, since it uses less digits than its factorization.

20030091404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709744 (or 709742 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20030091404 its reverse (40419003002), we get a palindrome (60449094406).

The spelling of 20030091404 in words is "twenty billion, thirty million, ninety-one thousand, four hundred four".