210220396 has 12 divisors (see below), whose sum is σ = 373917040. Its totient is φ = 103386960.

The previous prime is 210220379. The next prime is 210220411. The reversal of 210220396 is 693022012.

It is a happy number.

It is a super-2 number, since 2×210220396² = 88385229788793632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210220396.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430536 + ... + 431023.

Almost surely, 2^210220396 is an apocalyptic number.

It is an amenable number.

210220396 is a deficient number, since it is larger than the sum of its proper divisors (163696644).

210220396 is a wasteful number, since it uses less digits than its factorization.

210220396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861624 (or 861622 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 210220396 is about 14498.9791364772. The cubic root of 210220396 is about 594.6000617208.

The spelling of 210220396 in words is "two hundred ten million, two hundred twenty thousand, three hundred ninety-six".