20201030120 has 32 divisors (see below), whose sum is σ = 46074958920. Its totient is φ = 7969720320.

The previous prime is 20201030089. The next prime is 20201030137. The reversal of 20201030120 is 2103010202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17077785124 + 3123244996 = 130682^2 + 55886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456161 + ... + 3462000.

Almost surely, 2^20201030120 is an apocalyptic number.

20201030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201030120 is an abundant number, since it is smaller than the sum of its proper divisors (25873928800).

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

20201030120 is a wasteful number, since it uses less digits than its factorization.

20201030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918245 (or 6918241 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20201030120 its reverse (2103010202), we get a palindrome (22304040322).

The spelling of 20201030120 in words is "twenty billion, two hundred one million, thirty thousand, one hundred twenty".