200020210020 has 72 divisors (see below), whose sum is σ = 607837461504. Its totient is φ = 53241185088.

The previous prime is 200020210001. The next prime is 200020210043. The reversal of 200020210020 is 20012020002.

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 = 200020209984 and 200020210011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 917284 + ... + 1114203.

Almost surely, 2^200020210020 is an apocalyptic number.

200020210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020210020 is an abundant number, since it is smaller than the sum of its proper divisors (407817251484).

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

200020210020 is a wasteful number, since it uses less digits than its factorization.

200020210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032049 (or 2032044 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 200020210020 its reverse (20012020002), we get a palindrome (220032230022).

The spelling of 200020210020 in words is "two hundred billion, twenty million, two hundred ten thousand, twenty".