20106574 has 8 divisors (see below), whose sum is σ = 30271968. Its totient is φ = 10015920.

The previous prime is 20106521. The next prime is 20106589. The reversal of 20106574 is 47560102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18007 + ... + 19090.

It is an arithmetic number, because the mean of its divisors is an integer number (3783996).

Almost surely, 2^20106574 is an apocalyptic number.

20106574 is a deficient number, since it is larger than the sum of its proper divisors (10165394).

20106574 is a wasteful number, since it uses less digits than its factorization.

20106574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37370.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20106574 is about 4484.0354592710. The cubic root of 20106574 is about 271.9230516908.

Adding to 20106574 its reverse (47560102), we get a palindrome (67666676).

The spelling of 20106574 in words is "twenty million, one hundred six thousand, five hundred seventy-four".