20695042 has 8 divisors (see below), whose sum is σ = 32044032. Its totient is φ = 10013700.

The previous prime is 20695033. The next prime is 20695061. The reversal of 20695042 is 24059602.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20695042.

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, 166834 + ... + 166957.

It is an arithmetic number, because the mean of its divisors is an integer number (4005504).

Almost surely, 2^20695042 is an apocalyptic number.

20695042 is a deficient number, since it is larger than the sum of its proper divisors (11348990).

20695042 is a wasteful number, since it uses less digits than its factorization.

20695042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333824.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20695042 is about 4549.1803657362. The cubic root of 20695042 is about 274.5504147048.

The spelling of 20695042 in words is "twenty million, six hundred ninety-five thousand, forty-two".