20300000220 has 96 divisors (see below), whose sum is σ = 66870619200. Its totient is φ = 5094899712.

The previous prime is 20300000219. The next prime is 20300000233. The reversal of 20300000220 is 2200000302.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 1096485 + ... + 1114844.

It is an arithmetic number, because the mean of its divisors is an integer number (696568950).

Almost surely, 2^20300000220 is an apocalyptic number.

20300000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300000220 is an abundant number, since it is smaller than the sum of its proper divisors (46570618980).

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

20300000220 is a wasteful number, since it uses less digits than its factorization.

20300000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211364 (or 2211356 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20300000220 its reverse (2200000302), we get a palindrome (22500000522).

The spelling of 20300000220 in words is "twenty billion, three hundred million, two hundred twenty", and thus it is an aban number.