120403200220220 has 96 divisors (see below), whose sum is σ = 258710123109312. Its totient is φ = 47061225289728.

The previous prime is 120403200220217. The next prime is 120403200220273. The reversal of 120403200220220 is 22022002304021.

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 = 120403200220192 and 120403200220201.

It is a congruent number.

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, 44721362 + ... + 47337158.

It is an arithmetic number, because the mean of its divisors is an integer number (2694897115722).

Almost surely, 2^{120403200220220} is an apocalyptic number.

120403200220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120403200220220 is an abundant number, since it is smaller than the sum of its proper divisors (138306922889092).

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

120403200220220 is a wasteful number, since it uses less digits than its factorization.

120403200220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616207 (or 2616205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 120403200220220 its reverse (22022002304021), we get a palindrome (142425202524241).

The spelling of 120403200220220 in words is "one hundred twenty trillion, four hundred three billion, two hundred million, two hundred twenty thousand, two hundred twenty".