20090914 has 32 divisors (see below), whose sum is σ = 33076224. Its totient is φ = 9123840.

The previous prime is 20090909. The next prime is 20090927. The reversal of 20090914 is 41909002.

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, 104002 + ... + 104194.

It is an arithmetic number, because the mean of its divisors is an integer number (1033632).

Almost surely, 2^20090914 is an apocalyptic number.

20090914 is a deficient number, since it is larger than the sum of its proper divisors (12985310).

20090914 is a wasteful number, since it uses less digits than its factorization.

20090914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 20090914 is about 4482.2889241993. The cubic root of 20090914 is about 271.8524376221.

Adding to 20090914 its reverse (41909002), we get a palindrome (61999916).

The spelling of 20090914 in words is "twenty million, ninety thousand, nine hundred fourteen".