20200814 has 4 divisors (see below), whose sum is σ = 30301224. Its totient is φ = 10100406.

The previous prime is 20200813. The next prime is 20200837. The reversal of 20200814 is 41800202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20200792 and 20200801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050202 + ... + 5050205.

It is an arithmetic number, because the mean of its divisors is an integer number (7575306).

Almost surely, 2^20200814 is an apocalyptic number.

20200814 is a deficient number, since it is larger than the sum of its proper divisors (10100410).

20200814 is a wasteful number, since it uses less digits than its factorization.

20200814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100409.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20200814 is about 4494.5315662480. The cubic root of 20200814 is about 272.3472263200.

The spelling of 20200814 in words is "twenty million, two hundred thousand, eight hundred fourteen".