20262330 has 96 divisors (see below), whose sum is σ = 58339008. Its totient is φ = 4838400.

The previous prime is 20262301. The next prime is 20262343. The reversal of 20262330 is 3326202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95925 + ... + 96135.

It is an arithmetic number, because the mean of its divisors is an integer number (607698).

Almost surely, 2^20262330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20262330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29169504).

20262330 is an abundant number, since it is smaller than the sum of its proper divisors (38076678).

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

20262330 is a wasteful number, since it uses less digits than its factorization.

20262330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20262330 is about 4501.3697915190. The cubic root of 20262330 is about 272.6233989274.

Adding to 20262330 its reverse (3326202), we get a palindrome (23588532).

It can be divided in two parts, 2026 and 2330, that added together give a square (4356 = 66²).

The spelling of 20262330 in words is "twenty million, two hundred sixty-two thousand, three hundred thirty".