120003201020 has 48 divisors (see below), whose sum is σ = 257008254048. Its totient is φ = 47050348800.

The previous prime is 120003201013. The next prime is 120003201061. The reversal of 120003201020 is 20102300021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120003200992 and 120003201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060202 + ... + 1167918.

It is an arithmetic number, because the mean of its divisors is an integer number (5354338626).

Almost surely, 2^120003201020 is an apocalyptic number.

120003201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120003201020 is an abundant number, since it is smaller than the sum of its proper divisors (137005053028).

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

120003201020 is a wasteful number, since it uses less digits than its factorization.

120003201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108830 (or 108828 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 120003201020 its reverse (20102300021), we get a palindrome (140105501041).

Subtracting from 120003201020 its reverse (20102300021), we obtain a palindrome (99900900999).

The spelling of 120003201020 in words is "one hundred twenty billion, three million, two hundred one thousand, twenty".