220200001212020 has 72 divisors (see below), whose sum is σ = 466270204022280. Its totient is φ = 87352629073920.

The previous prime is 220200001212017. The next prime is 220200001212029. The reversal of 220200001212020 is 20212100002022.

It can be written as a sum of positive squares in 4 ways, for example, as 43041026240356 + 177158974971664 = 6560566^2 + 13310108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220200001211986 and 220200001212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200001212029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841480400 + ... + 841742040.

It is an arithmetic number, because the mean of its divisors is an integer number (6475975055865).

Almost surely, 2^{220200001212020} is an apocalyptic number.

220200001212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200001212020 is an abundant number, since it is smaller than the sum of its proper divisors (246070202810260).

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

220200001212020 is a wasteful number, since it uses less digits than its factorization.

220200001212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264513 (or 264384 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220200001212020 its reverse (20212100002022), we get a palindrome (240412101214042).

The spelling of 220200001212020 in words is "two hundred twenty trillion, two hundred billion, one million, two hundred twelve thousand, twenty".