2120000016 has 20 divisors (see below), whose sum is σ = 5476666832. Its totient is φ = 706666656.

The previous prime is 2119999919. The next prime is 2120000017. The reversal of 2120000016 is 6100000212.

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 = 2119999956 and 2120000010.

It is not an unprimeable number, because it can be changed into a prime (2120000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22083286 + ... + 22083381.

Almost surely, 2^2120000016 is an apocalyptic number.

It is an amenable number.

2120000016 is an abundant number, since it is smaller than the sum of its proper divisors (3356666816).

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

2120000016 is a wasteful number, since it uses less digits than its factorization.

2120000016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44166678 (or 44166672 counting only the distinct ones).

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

The square root of 2120000016 is about 46043.4579066342. The cubic root of 2120000016 is about 1284.6316609443.

Adding to 2120000016 its reverse (6100000212), we get a palindrome (8220000228).

The spelling of 2120000016 in words is "two billion, one hundred twenty million, sixteen", and thus it is an aban number.