210210451223020 has 24 divisors (see below), whose sum is σ = 448924014478800. Its totient is φ = 82659024887232.

The previous prime is 210210451222987. The next prime is 210210451223021. The reversal of 210210451223020 is 20322154012012.

It is a super-2 number, since 2×210210451223020² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210210451223021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89072223915 + ... + 89072226274.

It is an arithmetic number, because the mean of its divisors is an integer number (18705167269950).

Almost surely, 2^{210210451223020} is an apocalyptic number.

210210451223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210451223020 is an abundant number, since it is smaller than the sum of its proper divisors (238713563255780).

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

210210451223020 is a wasteful number, since it uses less digits than its factorization.

210210451223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178144450257 (or 178144450255 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 210210451223020 in words is "two hundred ten trillion, two hundred ten billion, four hundred fifty-one million, two hundred twenty-three thousand, twenty".