20627822 has 4 divisors (see below), whose sum is σ = 30941736. Its totient is φ = 10313910.

The previous prime is 20627819. The next prime is 20627839. The reversal of 20627822 is 22872602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22872602 = 2 ⋅11436301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156954 + ... + 5156957.

It is an arithmetic number, because the mean of its divisors is an integer number (7735434).

Almost surely, 2^20627822 is an apocalyptic number.

20627822 is a deficient number, since it is larger than the sum of its proper divisors (10313914).

20627822 is a wasteful number, since it uses less digits than its factorization.

20627822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313913.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20627822 is about 4541.7862124939. The cubic root of 20627822 is about 274.2528346263.

The spelling of 20627822 in words is "twenty million, six hundred twenty-seven thousand, eight hundred twenty-two".