20439114 has 16 divisors (see below), whose sum is σ = 41276352. Its totient is φ = 6746688.

The previous prime is 20439103. The next prime is 20439121. The reversal of 20439114 is 41193402.

It is a super-2 number, since 2×20439114² = 835514762209992, which contains 22 as substring.

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, 15919 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (2579772).

Almost surely, 2^20439114 is an apocalyptic number.

20439114 is an abundant number, since it is smaller than the sum of its proper divisors (20837238).

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

20439114 is a wasteful number, since it uses less digits than its factorization.

20439114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33181.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20439114 is about 4520.9638352900. The cubic root of 20439114 is about 273.4139622667.

The spelling of 20439114 in words is "twenty million, four hundred thirty-nine thousand, one hundred fourteen".