122020210320 has 40 divisors (see below), whose sum is σ = 378262652736. Its totient is φ = 32538722688.

The previous prime is 122020210303. The next prime is 122020210399. The reversal of 122020210320 is 23012020221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122020210320.

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 7 ways as a sum of consecutive naturals, for example, 254208532 + ... + 254209011.

Almost surely, 2^122020210320 is an apocalyptic number.

122020210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020210320 is an abundant number, since it is smaller than the sum of its proper divisors (256242442416).

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

122020210320 is a wasteful number, since it uses less digits than its factorization.

122020210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508417559 (or 508417553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 122020210320 its reverse (23012020221), we get a palindrome (145032230541).

The spelling of 122020210320 in words is "one hundred twenty-two billion, twenty million, two hundred ten thousand, three hundred twenty".