220640412150612 has 36 divisors (see below), whose sum is σ = 558029624559316. Its totient is φ = 73507283982720.

The previous prime is 220640412150563. The next prime is 220640412150617. The reversal of 220640412150612 is 216051214046022.

220640412150612 is a `hidden beast` number, since 2 + 2 + 0 + 640 + 4 + 1 + 2 + 1 + 5 + 0 + 6 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78187259630736 + 142453152519876 = 8842356^2 + 11935374^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220640412150617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1646601553 + ... + 1646735544.

Almost surely, 2^{220640412150612} is an apocalyptic number.

It is an amenable number.

220640412150612 is an abundant number, since it is smaller than the sum of its proper divisors (337389212408704).

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

220640412150612 is a wasteful number, since it uses less digits than its factorization.

220640412150612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293338968 (or 3293338963 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 220640412150612 its reverse (216051214046022), we get a palindrome (436691626196634).

The spelling of 220640412150612 in words is "two hundred twenty trillion, six hundred forty billion, four hundred twelve million, one hundred fifty thousand, six hundred twelve".