20190210 has 32 divisors (see below), whose sum is σ = 48788352. Its totient is φ = 5347200.

The previous prime is 20190187. The next prime is 20190221. The reversal of 20190210 is 1209102.

It is a happy number.

20190210 is nontrivially palindromic in base 12.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20190210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2302 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (1524636).

Almost surely, 2^20190210 is an apocalyptic number.

20190210 is an abundant number, since it is smaller than the sum of its proper divisors (28598142).

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

20190210 is a wasteful number, since it uses less digits than its factorization.

20190210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 20190210 is about 4493.3517556497. The cubic root of 20190210 is about 272.2995636291.

Adding to 20190210 its reverse (1209102), we get a palindrome (21399312).

The spelling of 20190210 in words is "twenty million, one hundred ninety thousand, two hundred ten".