20767422 has 32 divisors (see below), whose sum is σ = 46277280. Its totient is φ = 6168960.

The previous prime is 20767339. The next prime is 20767423. The reversal of 20767422 is 22476702.

It is a self number, because there is not a number n which added to its sum of digits gives 20767422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20767423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2329 + ... + 6852.

It is an arithmetic number, because the mean of its divisors is an integer number (1446165).

Almost surely, 2^20767422 is an apocalyptic number.

20767422 is an abundant number, since it is smaller than the sum of its proper divisors (25509858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20767422 is a wasteful number, since it uses less digits than its factorization.

20767422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 20767422 is about 4557.1287012767. The cubic root of 20767422 is about 274.8701182812.

The spelling of 20767422 in words is "twenty million, seven hundred sixty-seven thousand, four hundred twenty-two".