120201020120020 has 192 divisors, whose sum is σ = 299243497512960. Its totient is φ = 39697001676288.

The previous prime is 120201020119969. The next prime is 120201020120023. The reversal of 120201020120020 is 20021020102021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201020120023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1924447551 + ... + 1924510009.

It is an arithmetic number, because the mean of its divisors is an integer number (1558559882880).

Almost surely, 2^{120201020120020} is an apocalyptic number.

120201020120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120201020120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149621748756480).

120201020120020 is an abundant number, since it is smaller than the sum of its proper divisors (179042477392940).

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

120201020120020 is a wasteful number, since it uses less digits than its factorization.

120201020120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66222 (or 66220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120201020120020 its reverse (20021020102021), we get a palindrome (140222040222041).

The spelling of 120201020120020 in words is "one hundred twenty trillion, two hundred one billion, twenty million, one hundred twenty thousand, twenty".