20494622 has 16 divisors (see below), whose sum is σ = 32646240. Its totient is φ = 9616128.

The previous prime is 20494603. The next prime is 20494651. The reversal of 20494622 is 22649402.

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 in 7 ways as a sum of consecutive naturals, for example, 14879 + ... + 16197.

It is an arithmetic number, because the mean of its divisors is an integer number (2040390).

Almost surely, 2^20494622 is an apocalyptic number.

20494622 is a deficient number, since it is larger than the sum of its proper divisors (12151618).

20494622 is a wasteful number, since it uses less digits than its factorization.

20494622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20494622 is about 4527.0986293652. The cubic root of 20494622 is about 273.6612486562.

The spelling of 20494622 in words is "twenty million, four hundred ninety-four thousand, six hundred twenty-two".