20200202020 has 96 divisors (see below), whose sum is σ = 45053116416. Its totient is φ = 7595683200.

The previous prime is 20200201993. The next prime is 20200202021. The reversal of 20200202020 is 2020200202.

It is a Harshad number since it is a multiple of its sum of digits (10).

20200202020 is a modest number, since divided by 202020 gives 20200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20200201988 and 20200202006.

It is not an unprimeable number, because it can be changed into a prime (20200202021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5090077 + ... + 5094043.

It is an arithmetic number, because the mean of its divisors is an integer number (469303296).

Almost surely, 2^20200202020 is an apocalyptic number.

20200202020 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 20200202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22526558208).

20200202020 is an abundant number, since it is smaller than the sum of its proper divisors (24852914396).

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

20200202020 is a wasteful number, since it uses less digits than its factorization.

20200202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20200202020 its reverse (2020200202), we get a palindrome (22220402222).

The spelling of 20200202020 in words is "twenty billion, two hundred million, two hundred two thousand, twenty".