20005022 has 8 divisors (see below), whose sum is σ = 31772736. Its totient is φ = 9414112.

The previous prime is 20005021. The next prime is 20005087. The reversal of 20005022 is 22050002.

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 = 20004994 and 20005012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005021) 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, 294158 + ... + 294225.

It is an arithmetic number, because the mean of its divisors is an integer number (3971592).

Almost surely, 2^20005022 is an apocalyptic number.

20005022 is a deficient number, since it is larger than the sum of its proper divisors (11767714).

20005022 is a wasteful number, since it uses less digits than its factorization.

20005022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588402.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 20005022 is about 4472.6973964265. The cubic root of 20005022 is about 271.4644794336.

Adding to 20005022 its reverse (22050002), we get a palindrome (42055024).

It can be divided in two parts, 2000502 and 2, that multiplied together give a palindrome (4001004).

The spelling of 20005022 in words is "twenty million, five thousand, twenty-two".