20201012120 has 64 divisors (see below), whose sum is σ = 45816775200. Its totient is φ = 8015872000.

The previous prime is 20201012101. The next prime is 20201012123. The reversal of 20201012120 is 2121010202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2576366 + ... + 2584194.

Almost surely, 2^20201012120 is an apocalyptic number.

20201012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201012120 is an abundant number, since it is smaller than the sum of its proper divisors (25615763080).

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

20201012120 is a wasteful number, since it uses less digits than its factorization.

20201012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348 (or 8344 counting only the distinct ones).

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

Adding to 20201012120 its reverse (2121010202), we get a palindrome (22322022322).

The spelling of 20201012120 in words is "twenty billion, two hundred one million, twelve thousand, one hundred twenty".