20602622 has 4 divisors (see below), whose sum is σ = 30903936. Its totient is φ = 10301310.

The previous prime is 20602619. The next prime is 20602627. The reversal of 20602622 is 22620602.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20602594 and 20602603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150654 + ... + 5150657.

It is an arithmetic number, because the mean of its divisors is an integer number (7725984).

Almost surely, 2^20602622 is an apocalyptic number.

20602622 is a deficient number, since it is larger than the sum of its proper divisors (10301314).

20602622 is a wasteful number, since it uses less digits than its factorization.

20602622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301313.

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

The square root of 20602622 is about 4539.0111257850. The cubic root of 20602622 is about 274.1411086979.

The spelling of 20602622 in words is "twenty million, six hundred two thousand, six hundred twenty-two".