20020202020 has 48 divisors (see below), whose sum is σ = 51744526848. Its totient is φ = 6336063360.

The previous prime is 20020202009. The next prime is 20020202021. The reversal of 20020202020 is 2020202002.

It is a super-2 number, since 2×20020202020² (a number of 21 digits) contains 22 as substring.

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

20020202020 is a modest number, since divided by 202020 gives 20020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20020201988 and 20020202006.

It is not an unprimeable number, because it can be changed into a prime (20020202021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5498236 + ... + 5501875.

It is an arithmetic number, because the mean of its divisors is an integer number (1078010976).

Almost surely, 2^20020202020 is an apocalyptic number.

20020202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020202020 is an abundant number, since it is smaller than the sum of its proper divisors (31724324828).

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

20020202020 is a wasteful number, since it uses less digits than its factorization.

20020202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000140 (or 11000138 counting only the distinct ones).

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

Adding to 20020202020 its reverse (2020202002), we get a palindrome (22040404022).

The spelling of 20020202020 in words is "twenty billion, twenty million, two hundred two thousand, twenty".