20692814 has 4 divisors (see below), whose sum is σ = 31039224. Its totient is φ = 10346406.

The previous prime is 20692807. The next prime is 20692817. The reversal of 20692814 is 41829602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5173202 + ... + 5173205.

It is an arithmetic number, because the mean of its divisors is an integer number (7759806).

Almost surely, 2^20692814 is an apocalyptic number.

20692814 is a deficient number, since it is larger than the sum of its proper divisors (10346410).

20692814 is a wasteful number, since it uses less digits than its factorization.

20692814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346409.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20692814 is about 4548.9354798678. The cubic root of 20692814 is about 274.5405617768.

The spelling of 20692814 in words is "twenty million, six hundred ninety-two thousand, eight hundred fourteen".