20214650 has 24 divisors (see below), whose sum is σ = 38060064. Its totient is φ = 7986800.

The previous prime is 20214647. The next prime is 20214661. The reversal of 20214650 is 5641202.

It is a happy number.

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, 1715 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (1585836).

Almost surely, 2^20214650 is an apocalyptic number.

20214650 is a deficient number, since it is larger than the sum of its proper divisors (17845414).

20214650 is a wasteful number, since it uses less digits than its factorization.

20214650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20214650 is about 4496.0705065646. The cubic root of 20214650 is about 272.4093910797.

Adding to 20214650 its reverse (5641202), we get a palindrome (25855852).

The spelling of 20214650 in words is "twenty million, two hundred fourteen thousand, six hundred fifty".