20466368 has 56 divisors (see below), whose sum is σ = 46341792. Its totient is φ = 8884224.

The previous prime is 20466359. The next prime is 20466377. The reversal of 20466368 is 86366402.

It is an interprime number because it is at equal distance from previous prime (20466359) and next prime (20466377).

It is a super-2 number, since 2×20466368² = 837744438222848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13421 + ... + 14867.

It is an arithmetic number, because the mean of its divisors is an integer number (827532).

Almost surely, 2^20466368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20466368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23170896).

20466368 is an abundant number, since it is smaller than the sum of its proper divisors (25875424).

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

20466368 is a wasteful number, since it uses less digits than its factorization.

20466368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 20466368 is about 4523.9770114358. The cubic root of 20466368 is about 273.5354338484.

The spelling of 20466368 in words is "twenty million, four hundred sixty-six thousand, three hundred sixty-eight".