20422102 has 16 divisors (see below), whose sum is σ = 31064832. Its totient is φ = 10068480.

The previous prime is 20422097. The next prime is 20422121. The reversal of 20422102 is 20122402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73588 + ... + 73864.

It is an arithmetic number, because the mean of its divisors is an integer number (1941552).

Almost surely, 2^20422102 is an apocalyptic number.

20422102 is a deficient number, since it is larger than the sum of its proper divisors (10642730).

20422102 is a wasteful number, since it uses less digits than its factorization.

20422102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20422102 is about 4519.0819864216. The cubic root of 20422102 is about 273.3380847214.

Adding to 20422102 its reverse (20122402), we get a palindrome (40544504).

The spelling of 20422102 in words is "twenty million, four hundred twenty-two thousand, one hundred two".