20696934 has 32 divisors (see below), whose sum is σ = 42434784. Its totient is φ = 6727680.

The previous prime is 20696911. The next prime is 20696953. The reversal of 20696934 is 43969602.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20696892 and 20696901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70492 + ... + 70784.

It is an arithmetic number, because the mean of its divisors is an integer number (1326087).

Almost surely, 2^20696934 is an apocalyptic number.

20696934 is an abundant number, since it is smaller than the sum of its proper divisors (21737850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20696934 is a wasteful number, since it uses less digits than its factorization.

20696934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 20696934 is about 4549.3883105314. The cubic root of 20696934 is about 274.5587811782.

The spelling of 20696934 in words is "twenty million, six hundred ninety-six thousand, nine hundred thirty-four".