20163374 has 32 divisors (see below), whose sum is σ = 37919232. Its totient is φ = 7812000.

The previous prime is 20163359. The next prime is 20163397. The reversal of 20163374 is 47336102.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47684 + ... + 48104.

It is an arithmetic number, because the mean of its divisors is an integer number (1184976).

Almost surely, 2^20163374 is an apocalyptic number.

20163374 is a deficient number, since it is larger than the sum of its proper divisors (17755858).

20163374 is a wasteful number, since it uses less digits than its factorization.

20163374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20163374 is about 4490.3645731722. The cubic root of 20163374 is about 272.1788669967.

Adding to 20163374 its reverse (47336102), we get a palindrome (67499476).

The spelling of 20163374 in words is "twenty million, one hundred sixty-three thousand, three hundred seventy-four".