20300132220 has 24 divisors (see below), whose sum is σ = 56840370384. Its totient is φ = 5413368576.

The previous prime is 20300132213. The next prime is 20300132261. The reversal of 20300132220 is 2223100302.

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 20300132220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169167709 + ... + 169167828.

It is an arithmetic number, because the mean of its divisors is an integer number (2368348766).

Almost surely, 2^20300132220 is an apocalyptic number.

20300132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300132220 is an abundant number, since it is smaller than the sum of its proper divisors (36540238164).

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

20300132220 is a wasteful number, since it uses less digits than its factorization.

20300132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338335549 (or 338335547 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20300132220 its reverse (2223100302), we get a palindrome (22523232522).

The spelling of 20300132220 in words is "twenty billion, three hundred million, one hundred thirty-two thousand, two hundred twenty".