210220020231 has 64 divisors (see below), whose sum is σ = 322943241600. Its totient is φ = 120492933120.

The previous prime is 210220020223. The next prime is 210220020271. The reversal of 210220020231 is 132020022012.

It is a happy number.

It is not a de Polignac number, because 210220020231 - 2³ = 210220020223 is a prime.

It is a super-2 number, since 2×210220020231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210220020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220020221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27755361 + ... + 27762933.

It is an arithmetic number, because the mean of its divisors is an integer number (5045988150).

Almost surely, 2^210220020231 is an apocalyptic number.

210220020231 is a deficient number, since it is larger than the sum of its proper divisors (112723221369).

210220020231 is a wasteful number, since it uses less digits than its factorization.

210220020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 210220020231 its reverse (132020022012), we get a palindrome (342240042243).

The spelling of 210220020231 in words is "two hundred ten billion, two hundred twenty million, twenty thousand, two hundred thirty-one".