200120022 has 96 divisors (see below), whose sum is σ = 478887552. Its totient is φ = 60141312.

The previous prime is 200120017. The next prime is 200120029. The reversal of 200120022 is 220021002.

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 = 200119986 and 200120013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 881473 + ... + 881699.

It is an arithmetic number, because the mean of its divisors is an integer number (4988412).

Almost surely, 2^200120022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200120022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239443776).

200120022 is an abundant number, since it is smaller than the sum of its proper divisors (278767530).

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

200120022 is a wasteful number, since it uses less digits than its factorization.

200120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 359 counting only the distinct ones).

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

The square root of 200120022 is about 14146.3784057970. The cubic root of 200120022 is about 584.9205064020.

Adding to 200120022 its reverse (220021002), we get a palindrome (420141024).

The spelling of 200120022 in words is "two hundred million, one hundred twenty thousand, twenty-two".