20000622 has 16 divisors (see below), whose sum is σ = 40206672. Its totient is φ = 6632640.

The previous prime is 20000621. The next prime is 20000623. The reversal of 20000622 is 22600002.

It is an interprime number because it is at equal distance from previous prime (20000621) and next prime (20000623).

It is a junction number, because it is equal to n+sod(n) for n = 20000598 and 20000607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000621) 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, 7279 + ... + 9642.

It is an arithmetic number, because the mean of its divisors is an integer number (2512917).

Almost surely, 2^20000622 is an apocalyptic number.

20000622 is an abundant number, since it is smaller than the sum of its proper divisors (20206050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000622 is a wasteful number, since it uses less digits than its factorization.

20000622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17123.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20000622 is about 4472.2054961730. The cubic root of 20000622 is about 271.4445755766. Note that the first 3 decimals are identical.

Adding to 20000622 its reverse (22600002), we get a palindrome (42600624).

It can be divided in two parts, 200006 and 22, that added together give a triangular number (200028 = T₆₃₂).

The spelling of 20000622 in words is "twenty million, six hundred twenty-two", and thus it is an aban number.