20216914 has 8 divisors (see below), whose sum is σ = 30413808. Its totient is φ = 10078980.

The previous prime is 20216869. The next prime is 20216921. The reversal of 20216914 is 41961202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20216914² = 817447223366792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13872 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (3801726).

Almost surely, 2^20216914 is an apocalyptic number.

20216914 is a deficient number, since it is larger than the sum of its proper divisors (10196894).

20216914 is a wasteful number, since it uses less digits than its factorization.

20216914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29480.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20216914 is about 4496.3222749265. The cubic root of 20216914 is about 272.4195604674.

The spelling of 20216914 in words is "twenty million, two hundred sixteen thousand, nine hundred fourteen".