210455030 has 32 divisors (see below), whose sum is σ = 392882400. Its totient is φ = 81071872.

The previous prime is 210455017. The next prime is 210455033. The reversal of 210455030 is 30554012.

It is a junction number, because it is equal to n+sod(n) for n = 210454993 and 210455011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210455033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162626 + ... + 163914.

It is an arithmetic number, because the mean of its divisors is an integer number (12277575).

Almost surely, 2^210455030 is an apocalyptic number.

210455030 is a deficient number, since it is larger than the sum of its proper divisors (182427370).

210455030 is a wasteful number, since it uses less digits than its factorization.

210455030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 210455030 is about 14507.0682772227. The cubic root of 210455030 is about 594.8211971268.

The spelling of 210455030 in words is "two hundred ten million, four hundred fifty-five thousand, thirty".