120321201010020 has 96 divisors (see below), whose sum is σ = 348912178715520. Its totient is φ = 30944087623680.

The previous prime is 120321201010013. The next prime is 120321201010039. The reversal of 120321201010020 is 20010102123021.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 37712302 + ... + 40778181.

It is an arithmetic number, because the mean of its divisors is an integer number (3634501861620).

Almost surely, 2^{120321201010020} is an apocalyptic number.

120321201010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120321201010020 is an abundant number, since it is smaller than the sum of its proper divisors (228590977705500).

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

120321201010020 is a wasteful number, since it uses less digits than its factorization.

120321201010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78491405 (or 78491403 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120321201010020 its reverse (20010102123021), we get a palindrome (140331303133041).

The spelling of 120321201010020 in words is "one hundred twenty trillion, three hundred twenty-one billion, two hundred one million, ten thousand, twenty".