210010420 has 24 divisors (see below), whose sum is σ = 464234400. Its totient is φ = 79582752.

The previous prime is 210010393. The next prime is 210010453. The reversal of 210010420 is 24010012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210010397 and 210010406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275950 + ... + 276709.

It is an arithmetic number, because the mean of its divisors is an integer number (19343100).

Almost surely, 2^210010420 is an apocalyptic number.

210010420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210010420 is an abundant number, since it is smaller than the sum of its proper divisors (254223980).

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

210010420 is a wasteful number, since it uses less digits than its factorization.

210010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552687 (or 552685 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 210010420 is about 14491.7362658862. The cubic root of 210010420 is about 594.4020261719.

Adding to 210010420 its reverse (24010012), we get a palindrome (234020432).

The spelling of 210010420 in words is "two hundred ten million, ten thousand, four hundred twenty".