120201011020 has 48 divisors (see below), whose sum is σ = 255371810400. Its totient is φ = 47520243200.

The previous prime is 120201010991. The next prime is 120201011023. The reversal of 120201011020 is 20110102021.

It is a super-2 number, since 2×120201011020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120201010988 and 120201011006.

It is not an unprimeable number, because it can be changed into a prime (120201011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1097091 + ... + 1201669.

It is an arithmetic number, because the mean of its divisors is an integer number (5320246050).

Almost surely, 2^120201011020 is an apocalyptic number.

120201011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201011020 is an abundant number, since it is smaller than the sum of its proper divisors (135170799380).

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

120201011020 is a wasteful number, since it uses less digits than its factorization.

120201011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105258 (or 105256 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120201011020 its reverse (20110102021), we get a palindrome (140311113041).

The spelling of 120201011020 in words is "one hundred twenty billion, two hundred one million, eleven thousand, twenty".