20536694 has 16 divisors (see below), whose sum is σ = 32040960. Its totient is φ = 9861480.

The previous prime is 20536667. The next prime is 20536717. The reversal of 20536694 is 49663502.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 7427 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (2002560).

Almost surely, 2^20536694 is an apocalyptic number.

20536694 is a deficient number, since it is larger than the sum of its proper divisors (11504266).

20536694 is a wasteful number, since it uses less digits than its factorization.

20536694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 20536694 is about 4531.7429318089. The cubic root of 20536694 is about 273.8483807832.

The spelling of 20536694 in words is "twenty million, five hundred thirty-six thousand, six hundred ninety-four".