120020002011 has 96 divisors (see below), whose sum is σ = 230324290560. Its totient is φ = 58466403072.

The previous prime is 120020001947. The next prime is 120020002019. The reversal of 120020002011 is 110200020021.

It is not a de Polignac number, because 120020002011 - 2⁶ = 120020001947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120020001984 and 120020002002.

It is not an unprimeable number, because it can be changed into a prime (120020002019) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 436420 + ... + 656126.

It is an arithmetic number, because the mean of its divisors is an integer number (2399211360).

Almost surely, 2^120020002011 is an apocalyptic number.

120020002011 is a deficient number, since it is larger than the sum of its proper divisors (110304288549).

120020002011 is a wasteful number, since it uses less digits than its factorization.

120020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219785 (or 219782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120020002011 its reverse (110200020021), we get a palindrome (230220022032).

The spelling of 120020002011 in words is "one hundred twenty billion, twenty million, two thousand, eleven".