20000216946 has 16 divisors (see below), whose sum is σ = 40005441504. Its totient is φ = 6665904384.

The previous prime is 20000216861. The next prime is 20000216947. The reversal of 20000216946 is 64961200002.

20000216946 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20000216947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155695 + ... + 253458.

It is an arithmetic number, because the mean of its divisors is an integer number (2500340094).

Almost surely, 2^20000216946 is an apocalyptic number.

20000216946 is an abundant number, since it is smaller than the sum of its proper divisors (20005224558).

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

20000216946 is a wasteful number, since it uses less digits than its factorization.

20000216946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417305.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 20000216946 its reverse (64961200002), we get a palindrome (84961416948).

The spelling of 20000216946 in words is "twenty billion, two hundred sixteen thousand, nine hundred forty-six".