20788622 has 16 divisors (see below), whose sum is σ = 33002640. Its totient is φ = 9793728.

The previous prime is 20788601. The next prime is 20788627. The reversal of 20788622 is 22688702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20788627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (2062665).

Almost surely, 2^20788622 is an apocalyptic number.

20788622 is a deficient number, since it is larger than the sum of its proper divisors (12214018).

20788622 is a wasteful number, since it uses less digits than its factorization.

20788622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 20788622 is about 4559.4541339946. The cubic root of 20788622 is about 274.9636183275.

The spelling of 20788622 in words is "twenty million, seven hundred eighty-eight thousand, six hundred twenty-two".