20220202020 has 96 divisors (see below), whose sum is σ = 58031680896. Its totient is φ = 5258880000.

The previous prime is 20220202001. The next prime is 20220202031. The reversal of 20220202020 is 2020202202.

It is a super-2 number, since 2×20220202020² (a number of 21 digits) contains 22 as substring.

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

20220202020 is a modest number, since divided by 202020 gives 20220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20220201987 and 20220202005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381120 + ... + 430920.

It is an arithmetic number, because the mean of its divisors is an integer number (604496676).

Almost surely, 2^20220202020 is an apocalyptic number.

20220202020 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 20220202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29015840448).

20220202020 is an abundant number, since it is smaller than the sum of its proper divisors (37811478876).

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

20220202020 is a wasteful number, since it uses less digits than its factorization.

20220202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49981 (or 49979 counting only the distinct ones).

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

Adding to 20220202020 its reverse (2020202202), we get a palindrome (22240404222).

The spelling of 20220202020 in words is "twenty billion, two hundred twenty million, two hundred two thousand, twenty".