122222020020 has 24 divisors (see below), whose sum is σ = 342221656224. Its totient is φ = 32592538656.

The previous prime is 122222020009. The next prime is 122222020027. The reversal of 122222020020 is 20020222221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222020027) 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, 1018516774 + ... + 1018516893.

It is an arithmetic number, because the mean of its divisors is an integer number (14259235676).

Almost surely, 2^122222020020 is an apocalyptic number.

122222020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222020020 is an abundant number, since it is smaller than the sum of its proper divisors (219999636204).

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

122222020020 is a wasteful number, since it uses less digits than its factorization.

122222020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037033679 (or 2037033677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 122222020020 its reverse (20020222221), we get a palindrome (142242242241).

The spelling of 122222020020 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, twenty".