120101203020 has 48 divisors (see below), whose sum is σ = 345372114528. Its totient is φ = 31161392640.

The previous prime is 120101203003. The next prime is 120101203063. The reversal of 120101203020 is 20302101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120101202987 and 120101203005.

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, 27047601 + ... + 27052040.

It is an arithmetic number, because the mean of its divisors is an integer number (7195252386).

Almost surely, 2^120101203020 is an apocalyptic number.

120101203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101203020 is an abundant number, since it is smaller than the sum of its proper divisors (225270911508).

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

120101203020 is a wasteful number, since it uses less digits than its factorization.

120101203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54099690 (or 54099688 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120101203020 its reverse (20302101021), we get a palindrome (140403304041).

The spelling of 120101203020 in words is "one hundred twenty billion, one hundred one million, two hundred three thousand, twenty".