200212100020 has 48 divisors (see below), whose sum is σ = 429983366400. Its totient is φ = 78288163200.

The previous prime is 200212100017. The next prime is 200212100041. The reversal of 200212100020 is 20001212002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467730 + ... + 786889.

It is an arithmetic number, because the mean of its divisors is an integer number (8957986800).

Almost surely, 2^200212100020 is an apocalyptic number.

200212100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200212100020 is an abundant number, since it is smaller than the sum of its proper divisors (229771266380).

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

200212100020 is a wasteful number, since it uses less digits than its factorization.

200212100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254808 (or 1254806 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200212100020 its reverse (20001212002), we get a palindrome (220213312022).

The spelling of 200212100020 in words is "two hundred billion, two hundred twelve million, one hundred thousand, twenty".