20203100404004 has 12 divisors (see below), whose sum is σ = 40406200808064. Its totient is φ = 8658471601704.

The previous prime is 20203100403989. The next prime is 20203100404021. The reversal of 20203100404004 is 40040400130202.

20203100404004 is an admirable number.

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, 360769650044 + ... + 360769650099.

It is an arithmetic number, because the mean of its divisors is an integer number (3367183400672).

Almost surely, 2^{20203100404004} is an apocalyptic number.

It is an amenable number.

20203100404004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20203100404004 is a wasteful number, since it uses less digits than its factorization.

20203100404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721539300154 (or 721539300152 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20203100404004 its reverse (40040400130202), we get a palindrome (60243500534206).

The spelling of 20203100404004 in words is "twenty trillion, two hundred three billion, one hundred million, four hundred four thousand, four".