220010011812 has 48 divisors (see below), whose sum is σ = 570444380800. Its totient is φ = 73330492320.

The previous prime is 220010011811. The next prime is 220010011813. The reversal of 220010011812 is 218110010022.

220010011812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220010011811) and next prime (220010011813).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220010011811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306137 + ... + 1464927.

Almost surely, 2^220010011812 is an apocalyptic number.

It is an amenable number.

220010011812 is an abundant number, since it is smaller than the sum of its proper divisors (350434368988).

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

220010011812 is a wasteful number, since it uses less digits than its factorization.

220010011812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171633 (or 171625 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220010011812 its reverse (218110010022), we get a palindrome (438120021834).

The spelling of 220010011812 in words is "two hundred twenty billion, ten million, eleven thousand, eight hundred twelve".