20000010000 has 100 divisors (see below), whose sum is σ = 64562795792. Its totient is φ = 5333328000.

The previous prime is 20000009999. The next prime is 20000010011. The reversal of 20000010000 is 1000002.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (3).

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, 303334 + ... + 363333.

Almost surely, 2^20000010000 is an apocalyptic number.

20000010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000010000 is an abundant number, since it is smaller than the sum of its proper divisors (44562785792).

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

20000010000 is an equidigital number, since it uses as much as digits as its factorization.

20000010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666698 (or 666677 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 3.

Adding to 20000010000 its reverse (1000002), we get a palindrome (20001010002).

The spelling of 20000010000 in words is "twenty billion, ten thousand".