20002020000 has 120 divisors (see below), whose sum is σ = 65610822816. Its totient is φ = 5333856000.

The previous prime is 20002019963. The next prime is 20002020013. The reversal of 20002020000 is 2020002.

It is a tau number, because it is divible by the number of its divisors (120).

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.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106684 + ... + 226683.

Almost surely, 2^20002020000 is an apocalyptic number.

20002020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002020000 is an abundant number, since it is smaller than the sum of its proper divisors (45608802816).

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

20002020000 is an equidigital number, since it uses as much as digits as its factorization.

20002020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333400 (or 333377 counting only the distinct ones).

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

Adding to 20002020000 its reverse (2020002), we get a palindrome (20004040002).

The spelling of 20002020000 in words is "twenty billion, two million, twenty thousand".