20077822 has 4 divisors (see below), whose sum is σ = 30116736. Its totient is φ = 10038910.

The previous prime is 20077817. The next prime is 20077853. The reversal of 20077822 is 22877002.

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

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, 5019454 + ... + 5019457.

It is an arithmetic number, because the mean of its divisors is an integer number (7529184).

Almost surely, 2^20077822 is an apocalyptic number.

20077822 is a deficient number, since it is larger than the sum of its proper divisors (10038914).

20077822 is a wasteful number, since it uses less digits than its factorization.

20077822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038913.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 20077822 is about 4480.8282716480. The cubic root of 20077822 is about 271.7933750118.

The spelling of 20077822 in words is "twenty million, seventy-seven thousand, eight hundred twenty-two".