20000002020 has 24 divisors (see below), whose sum is σ = 56000005824. Its totient is φ = 5333333856.

The previous prime is 20000001971. The next prime is 20000002021. The reversal of 20000002020 is 2020000002.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

20000002020 is a modest number, since divided by 2020 gives 200 as remainder.

It is not an unprimeable number, because it can be changed into a prime (20000002021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166666624 + ... + 166666743.

It is an arithmetic number, because the mean of its divisors is an integer number (2333333576).

Almost surely, 2^20000002020 is an apocalyptic number.

20000002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000002020 is an abundant number, since it is smaller than the sum of its proper divisors (36000003804).

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

20000002020 is a wasteful number, since it uses less digits than its factorization.

20000002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333333379 (or 333333377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 6.

Adding to 20000002020 its reverse (2020000002), we get a palindrome (22020002022).

The spelling of 20000002020 in words is "twenty billion, two thousand, twenty".