20134822 has 4 divisors (see below), whose sum is σ = 30202236. Its totient is φ = 10067410.

The previous prime is 20134811. The next prime is 20134837. The reversal of 20134822 is 22843102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22843102 = 2 ⋅11421551.

It is a super-2 number, since 2×20134822² = 810822113943368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) 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 = 20134793 and 20134802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033704 + ... + 5033707.

It is an arithmetic number, because the mean of its divisors is an integer number (7550559).

Almost surely, 2^20134822 is an apocalyptic number.

20134822 is a deficient number, since it is larger than the sum of its proper divisors (10067414).

20134822 is a wasteful number, since it uses less digits than its factorization.

20134822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067413.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20134822 is about 4487.1841950158. The cubic root of 20134822 is about 272.0503349033.

Adding to 20134822 its reverse (22843102), we get a palindrome (42977924).

The spelling of 20134822 in words is "twenty million, one hundred thirty-four thousand, eight hundred twenty-two".