200122120 has 32 divisors (see below), whose sum is σ = 491209920. Its totient is φ = 72771520.

The previous prime is 200122093. The next prime is 200122121. The reversal of 200122120 is 21221002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200122097 and 200122106.

It is not an unprimeable number, because it can be changed into a prime (200122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226972 + ... + 227851.

It is an arithmetic number, because the mean of its divisors is an integer number (15350310).

Almost surely, 2^200122120 is an apocalyptic number.

200122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122120 is an abundant number, since it is smaller than the sum of its proper divisors (291087800).

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

200122120 is a wasteful number, since it uses less digits than its factorization.

200122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454845 (or 454841 counting only the distinct ones).

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

The square root of 200122120 is about 14146.4525588573. The cubic root of 200122120 is about 584.9225504402.

Adding to 200122120 its reverse (21221002), we get a palindrome (221343122).

The spelling of 200122120 in words is "two hundred million, one hundred twenty-two thousand, one hundred twenty".