220212354541 has 4 divisors (see below), whose sum is σ = 220230286300. Its totient is φ = 220194422784.

The previous prime is 220212354529. The next prime is 220212354553. The reversal of 220212354541 is 145453212022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (220212354529) and next prime (220212354553).

It can be written as a sum of positive squares in 2 ways, for example, as 204996145225 + 15216209316 = 452765^2 + 123354^2 .

It is a cyclic number.

It is not a de Polignac number, because 220212354541 - 2²¹ = 220210257389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212354641) 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, 8947446 + ... + 8972023.

It is an arithmetic number, because the mean of its divisors is an integer number (55057571575).

Almost surely, 2^220212354541 is an apocalyptic number.

It is an amenable number.

220212354541 is a deficient number, since it is larger than the sum of its proper divisors (17931759).

220212354541 is a wasteful number, since it uses less digits than its factorization.

220212354541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17931758.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 220212354541 its reverse (145453212022), we get a palindrome (365665566563).

The spelling of 220212354541 in words is "two hundred twenty billion, two hundred twelve million, three hundred fifty-four thousand, five hundred forty-one".