123200020220 has 12 divisors (see below), whose sum is σ = 258720042504. Its totient is φ = 49280008080.

The previous prime is 123200020217. The next prime is 123200020253. The reversal of 123200020220 is 22020002321.

It is a junction number, because it is equal to n+sod(n) for n = 123200020195 and 123200020204.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3080000486 + ... + 3080000525.

It is an arithmetic number, because the mean of its divisors is an integer number (21560003542).

Almost surely, 2^123200020220 is an apocalyptic number.

123200020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123200020220 is an abundant number, since it is smaller than the sum of its proper divisors (135520022284).

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

123200020220 is a wasteful number, since it uses less digits than its factorization.

123200020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160001020 (or 6160001018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 123200020220 its reverse (22020002321), we get a palindrome (145220022541).

The spelling of 123200020220 in words is "one hundred twenty-three billion, two hundred million, twenty thousand, two hundred twenty".