20086694 has 4 divisors (see below), whose sum is σ = 30130044. Its totient is φ = 10043346.

The previous prime is 20086657. The next prime is 20086699. The reversal of 20086694 is 49668002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5021672 + ... + 5021675.

It is an arithmetic number, because the mean of its divisors is an integer number (7532511).

Almost surely, 2^20086694 is an apocalyptic number.

20086694 is a deficient number, since it is larger than the sum of its proper divisors (10043350).

20086694 is a wasteful number, since it uses less digits than its factorization.

20086694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043349.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20086694 is about 4481.8181578462. The cubic root of 20086694 is about 271.8334025229.

The spelling of 20086694 in words is "twenty million, eighty-six thousand, six hundred ninety-four".