20020221130 has 32 divisors (see below), whose sum is σ = 44352491904. Its totient is φ = 6336069696.

The previous prime is 20020221121. The next prime is 20020221161. The reversal of 20020221130 is 3112202002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 20020221130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10999212 + ... + 11001031.

It is an arithmetic number, because the mean of its divisors is an integer number (1386015372).

Almost surely, 2^20020221130 is an apocalyptic number.

20020221130 is an abundant number, since it is smaller than the sum of its proper divisors (24332270774).

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

20020221130 is a wasteful number, since it uses less digits than its factorization.

20020221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000270.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20020221130 its reverse (3112202002), we get a palindrome (23132423132).

The spelling of 20020221130 in words is "twenty billion, twenty million, two hundred twenty-one thousand, one hundred thirty".