210020400230 has 16 divisors (see below), whose sum is σ = 400274174880. Its totient is φ = 79066503552.

The previous prime is 210020400173. The next prime is 210020400287. The reversal of 210020400230 is 32004020012.

210020400230 is digitally balanced in base 2, 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 (210020400173) and next prime (210020400287).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617706890 + ... + 617707229.

It is an arithmetic number, because the mean of its divisors is an integer number (25017135930).

Almost surely, 2^210020400230 is an apocalyptic number.

210020400230 is a deficient number, since it is larger than the sum of its proper divisors (190253774650).

210020400230 is a wasteful number, since it uses less digits than its factorization.

210020400230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235414143.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 210020400230 its reverse (32004020012), we get a palindrome (242024420242).

The spelling of 210020400230 in words is "two hundred ten billion, twenty million, four hundred thousand, two hundred thirty".