20202022020 has 96 divisors (see below), whose sum is σ = 57265084800. Its totient is φ = 5320857600.

The previous prime is 20202022019. The next prime is 20202022033. The reversal of 20202022020 is 2022020202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20202021987 and 20202022005.

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, 2620131 + ... + 2627829.

It is an arithmetic number, because the mean of its divisors is an integer number (596511300).

Almost surely, 2^20202022020 is an apocalyptic number.

20202022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28632542400).

20202022020 is an abundant number, since it is smaller than the sum of its proper divisors (37063062780).

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

20202022020 is a wasteful number, since it uses less digits than its factorization.

20202022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202022020 its reverse (2022020202), we get a palindrome (22224042222).

The spelling of 20202022020 in words is "twenty billion, two hundred two million, twenty-two thousand, twenty".