120001001202020 has 12 divisors (see below), whose sum is σ = 252002102524284. Its totient is φ = 48000400480800.

The previous prime is 120001001201969. The next prime is 120001001202023. The reversal of 120001001202020 is 20202100100021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89505336447076 + 30495664754944 = 9460726^2 + 5522288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120001001201992 and 120001001202010.

It is not an unprimeable number, because it can be changed into a prime (120001001202023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000025030031 + ... + 3000025030070.

It is an arithmetic number, because the mean of its divisors is an integer number (21000175210357).

Almost surely, 2^{120001001202020} is an apocalyptic number.

120001001202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120001001202020 is an abundant number, since it is smaller than the sum of its proper divisors (132001101322264).

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

120001001202020 is a wasteful number, since it uses less digits than its factorization.

120001001202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000050060110 (or 6000050060108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120001001202020 its reverse (20202100100021), we get a palindrome (140203101302041).

The spelling of 120001001202020 in words is "one hundred twenty trillion, one billion, one million, two hundred two thousand, twenty".