20330010 has 24 divisors (see below), whose sum is σ = 52858260. Its totient is φ = 5421312.

The previous prime is 20329993. The next prime is 20330047. The reversal of 20330010 is 1003302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18071001 + 2259009 = 4251^2 + 1503^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20329974 and 20330001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112855 + ... + 113034.

Almost surely, 2^20330010 is an apocalyptic number.

20330010 is an abundant number, since it is smaller than the sum of its proper divisors (32528250).

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

20330010 is a wasteful number, since it uses less digits than its factorization.

20330010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225902 (or 225899 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 20330010 is about 4508.8812359609. The cubic root of 20330010 is about 272.9265994352.

Adding to 20330010 its reverse (1003302), we get a palindrome (21333312).

The spelling of 20330010 in words is "twenty million, three hundred thirty thousand, ten".