122222202210020 has 48 divisors (see below), whose sum is σ = 292173865216128. Its totient is φ = 42512070332160.

The previous prime is 122222202210001. The next prime is 122222202210067. The reversal of 122222202210020 is 20012202222221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122222202209974 and 122222202210001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12077287649 + ... + 12077297768.

It is an arithmetic number, because the mean of its divisors is an integer number (6086955525336).

Almost surely, 2^{122222202210020} is an apocalyptic number.

122222202210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222202210020 is an abundant number, since it is smaller than the sum of its proper divisors (169951663006108).

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

122222202210020 is a wasteful number, since it uses less digits than its factorization.

122222202210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24154585460 (or 24154585458 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 122222202210020 its reverse (20012202222221), we get a palindrome (142234404432241).

The spelling of 122222202210020 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred two million, two hundred ten thousand, twenty".