200122020120 has 128 divisors (see below), whose sum is σ = 658564058880. Its totient is φ = 48246336000.

The previous prime is 200122020113. The next prime is 200122020143. The reversal of 200122020120 is 21020221002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200122020096 and 200122020105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179886 + ... + 657725.

It is an arithmetic number, because the mean of its divisors is an integer number (5145031710).

Almost surely, 2^200122020120 is an apocalyptic number.

200122020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200122020120 is an abundant number, since it is smaller than the sum of its proper divisors (458442038760).

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

200122020120 is a wasteful number, since it uses less digits than its factorization.

200122020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837817 (or 837813 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200122020120 its reverse (21020221002), we get a palindrome (221142241122).

The spelling of 200122020120 in words is "two hundred billion, one hundred twenty-two million, twenty thousand, one hundred twenty".