20020622 has 4 divisors (see below), whose sum is σ = 30030936. Its totient is φ = 10010310.

The previous prime is 20020619. The next prime is 20020631. The reversal of 20020622 is 22602002.

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 = 20020597 and 20020606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005154 + ... + 5005157.

It is an arithmetic number, because the mean of its divisors is an integer number (7507734).

Almost surely, 2^20020622 is an apocalyptic number.

20020622 is a deficient number, since it is larger than the sum of its proper divisors (10010314).

20020622 is a wasteful number, since it uses less digits than its factorization.

20020622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010313.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20020622 is about 4474.4409706688. The cubic root of 20020622 is about 271.5350241460.

Adding to 20020622 its reverse (22602002), we get a palindrome (42622624).

The spelling of 20020622 in words is "twenty million, twenty thousand, six hundred twenty-two".