20835214 has 4 divisors (see below), whose sum is σ = 31252824. Its totient is φ = 10417606.

The previous prime is 20835211. The next prime is 20835233. The reversal of 20835214 is 41253802.

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

It is a super-2 number, since 2×20835214² = 868212284851592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20835211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5208802 + ... + 5208805.

It is an arithmetic number, because the mean of its divisors is an integer number (7813206).

Almost surely, 2^20835214 is an apocalyptic number.

20835214 is a deficient number, since it is larger than the sum of its proper divisors (10417610).

20835214 is a wasteful number, since it uses less digits than its factorization.

20835214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10417609.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 20835214 is about 4564.5606579385. The cubic root of 20835214 is about 275.1688835914.

The spelling of 20835214 in words is "twenty million, eight hundred thirty-five thousand, two hundred fourteen".