20414660 has 24 divisors (see below), whose sum is σ = 48995520. Its totient is φ = 6999264.

The previous prime is 20414659. The next prime is 20414677. The reversal of 20414660 is 6641402.

It is a happy number.

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, 72770 + ... + 73049.

It is an arithmetic number, because the mean of its divisors is an integer number (2041480).

Almost surely, 2^20414660 is an apocalyptic number.

20414660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20414660 is an abundant number, since it is smaller than the sum of its proper divisors (28580860).

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

20414660 is a wasteful number, since it uses less digits than its factorization.

20414660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145835 (or 145833 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20414660 is about 4518.2585140738. The cubic root of 20414660 is about 273.3048783915.

The spelling of 20414660 in words is "twenty million, four hundred fourteen thousand, six hundred sixty".