200011212220 has 48 divisors (see below), whose sum is σ = 434222556768. Its totient is φ = 77338275840.

The previous prime is 200011212173. The next prime is 200011212277. The reversal of 200011212220 is 22212110002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200011212220.

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, 1115401 + ... + 1282240.

It is an arithmetic number, because the mean of its divisors is an integer number (9046303266).

Almost surely, 2^200011212220 is an apocalyptic number.

200011212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011212220 is an abundant number, since it is smaller than the sum of its proper divisors (234211344548).

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

200011212220 is a wasteful number, since it uses less digits than its factorization.

200011212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397790 (or 2397788 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200011212220 its reverse (22212110002), we get a palindrome (222223322222).

The spelling of 200011212220 in words is "two hundred billion, eleven million, two hundred twelve thousand, two hundred twenty".