20294678 has 4 divisors (see below), whose sum is σ = 30442020. Its totient is φ = 10147338.

The previous prime is 20294653. The next prime is 20294777. The reversal of 20294678 is 87649202.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5073668 + ... + 5073671.

It is an arithmetic number, because the mean of its divisors is an integer number (7610505).

Almost surely, 2^20294678 is an apocalyptic number.

20294678 is a deficient number, since it is larger than the sum of its proper divisors (10147342).

20294678 is a wasteful number, since it uses less digits than its factorization.

20294678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147341.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20294678 is about 4504.9614870718. The cubic root of 20294678 is about 272.7683992457.

The spelling of 20294678 in words is "twenty million, two hundred ninety-four thousand, six hundred seventy-eight".