20613422 has 8 divisors (see below), whose sum is σ = 31143000. Its totient is φ = 10232424.

The previous prime is 20613413. The next prime is 20613427. The reversal of 20613422 is 22431602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20613394 and 20613403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20613427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36797 + ... + 37352.

It is an arithmetic number, because the mean of its divisors is an integer number (3892875).

Almost surely, 2^20613422 is an apocalyptic number.

20613422 is a deficient number, since it is larger than the sum of its proper divisors (10529578).

20613422 is a wasteful number, since it uses less digits than its factorization.

20613422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74290.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20613422 is about 4540.2006563587. The cubic root of 20613422 is about 274.1890023880.

The spelling of 20613422 in words is "twenty million, six hundred thirteen thousand, four hundred twenty-two".