200032000020 has 36 divisors (see below), whose sum is σ = 606763733940. Its totient is φ = 53341866624.

The previous prime is 200032000009. The next prime is 200032000031. The reversal of 200032000020 is 20000230002.

It is an interprime number because it is at equal distance from previous prime (200032000009) and next prime (200032000031).

It can be written as a sum of positive squares in 2 ways, for example, as 70423359876 + 129608640144 = 265374^2 + 360012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200031999966 and 200032000011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555644265 + ... + 555644624.

It is an arithmetic number, because the mean of its divisors is an integer number (16854548165).

Almost surely, 2^200032000020 is an apocalyptic number.

200032000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200032000020 is an abundant number, since it is smaller than the sum of its proper divisors (406731733920).

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

200032000020 is a wasteful number, since it uses less digits than its factorization.

200032000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111288904 (or 1111288899 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 200032000020 its reverse (20000230002), we get a palindrome (220032230022).

The spelling of 200032000020 in words is "two hundred billion, thirty-two million, twenty", and thus it is an aban number.