20187094 has 8 divisors (see below), whose sum is σ = 30645720. Its totient is φ = 9971856.

The previous prime is 20187071. The next prime is 20187113. The reversal of 20187094 is 49078102.

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

It is a congruent number.

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, 60639 + ... + 60970.

It is an arithmetic number, because the mean of its divisors is an integer number (3830715).

Almost surely, 2^20187094 is an apocalyptic number.

20187094 is a deficient number, since it is larger than the sum of its proper divisors (10458626).

20187094 is a wasteful number, since it uses less digits than its factorization.

20187094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121694.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 20187094 is about 4493.0050077871. The cubic root of 20187094 is about 272.2855547094.

The spelling of 20187094 in words is "twenty million, one hundred eighty-seven thousand, ninety-four".