122420503020 has 96 divisors (see below), whose sum is σ = 369092505600. Its totient is φ = 30204365824.

The previous prime is 122420502947. The next prime is 122420503033. The reversal of 122420503020 is 20305024221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 956940 + ... + 1077299.

It is an arithmetic number, because the mean of its divisors is an integer number (3844713600).

Almost surely, 2^122420503020 is an apocalyptic number.

122420503020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122420503020 is an abundant number, since it is smaller than the sum of its proper divisors (246672002580).

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

122420503020 is a wasteful number, since it uses less digits than its factorization.

122420503020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034327 (or 2034325 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 122420503020 its reverse (20305024221), we get a palindrome (142725527241).

The spelling of 122420503020 in words is "one hundred twenty-two billion, four hundred twenty million, five hundred three thousand, twenty".