20460066 has 32 divisors (see below), whose sum is σ = 45734976. Its totient is φ = 6048000.

The previous prime is 20460053. The next prime is 20460091. The reversal of 20460066 is 66006402.

It is a super-2 number, since 2×20460066² = 837228601448712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075 + ... + 6486.

It is an arithmetic number, because the mean of its divisors is an integer number (1429218).

Almost surely, 2^20460066 is an apocalyptic number.

20460066 is an abundant number, since it is smaller than the sum of its proper divisors (25274910).

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

20460066 is a wasteful number, since it uses less digits than its factorization.

20460066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20460066 is about 4523.2804467554. The cubic root of 20460066 is about 273.5073553073.

Adding to 20460066 its reverse (66006402), we get a palindrome (86466468).

The spelling of 20460066 in words is "twenty million, four hundred sixty thousand, sixty-six".