20003630221404 has 36 divisors (see below), whose sum is σ = 51276911278320. Its totient is φ = 6573962982720.

The previous prime is 20003630221391. The next prime is 20003630221417. The reversal of 20003630221404 is 40412203630002.

20003630221404 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 3 + 6 + 30 + 221 + 404 = 666.

It is an interprime number because it is at equal distance from previous prime (20003630221391) and next prime (20003630221417).

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

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, 3913070649 + ... + 3913075760.

It is an arithmetic number, because the mean of its divisors is an integer number (1424358646620).

Almost surely, 2^{20003630221404} is an apocalyptic number.

It is an amenable number.

20003630221404 is an abundant number, since it is smaller than the sum of its proper divisors (31273281056916).

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

20003630221404 is a wasteful number, since it uses less digits than its factorization.

20003630221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826146490 (or 7826146485 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20003630221404 its reverse (40412203630002), we get a palindrome (60415833851406).

The spelling of 20003630221404 in words is "twenty trillion, three billion, six hundred thirty million, two hundred twenty-one thousand, four hundred four".