20071674 has 48 divisors (see below), whose sum is σ = 50731200. Its totient is φ = 5733000.

The previous prime is 20071651. The next prime is 20071687. The reversal of 20071674 is 47617002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4549 + ... + 7799.

It is an arithmetic number, because the mean of its divisors is an integer number (1056900).

Almost surely, 2^20071674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20071674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25365600).

20071674 is an abundant number, since it is smaller than the sum of its proper divisors (30659526).

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

20071674 is a wasteful number, since it uses less digits than its factorization.

20071674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20071674 is about 4480.1421852437. The cubic root of 20071674 is about 271.7656303647.

Adding to 20071674 its reverse (47617002), we get a palindrome (67688676).

The spelling of 20071674 in words is "twenty million, seventy-one thousand, six hundred seventy-four".