210020020010231 has 4 divisors (see below), whose sum is σ = 210023536285200. Its totient is φ = 210016503735264.

The previous prime is 210020020010189. The next prime is 210020020010233. The reversal of 210020020010231 is 132010020020012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210020020010231 - 2²² = 210020015815927 is a prime.

It is a super-2 number, since 2×210020020010231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020020010233) 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, 1758047891 + ... + 1758167348.

It is an arithmetic number, because the mean of its divisors is an integer number (52505884071300).

Almost surely, 2^{210020020010231} is an apocalyptic number.

210020020010231 is a deficient number, since it is larger than the sum of its proper divisors (3516274969).

210020020010231 is an equidigital number, since it uses as much as digits as its factorization.

210020020010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516274968.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210020020010231 its reverse (132010020020012), we get a palindrome (342030040030243).

The spelling of 210020020010231 in words is "two hundred ten trillion, twenty billion, twenty million, ten thousand, two hundred thirty-one".