20004014220 has 96 divisors (see below), whose sum is σ = 56471663808. Its totient is φ = 5290708992.

The previous prime is 20004014213. The next prime is 20004014231. The reversal of 20004014220 is 2241040002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20004014220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4741552 + ... + 4745768.

It is an arithmetic number, because the mean of its divisors is an integer number (588246498).

Almost surely, 2^20004014220 is an apocalyptic number.

20004014220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004014220 is an abundant number, since it is smaller than the sum of its proper divisors (36467649588).

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

20004014220 is a wasteful number, since it uses less digits than its factorization.

20004014220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4857 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20004014220 its reverse (2241040002), we get a palindrome (22245054222).

The spelling of 20004014220 in words is "twenty billion, four million, fourteen thousand, two hundred twenty".