20245174 has 16 divisors (see below), whose sum is σ = 31299840. Its totient is φ = 9815400.

The previous prime is 20245171. The next prime is 20245177. The reversal of 20245174 is 47154202.

It is an interprime number because it is at equal distance from previous prime (20245171) and next prime (20245177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12207 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (1956240).

Almost surely, 2^20245174 is an apocalyptic number.

20245174 is a deficient number, since it is larger than the sum of its proper divisors (11054666).

20245174 is a wasteful number, since it uses less digits than its factorization.

20245174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 20245174 is about 4499.4637458257. The cubic root of 20245174 is about 272.5464343058.

Adding to 20245174 its reverse (47154202), we get a palindrome (67399376).

It can be divided in two parts, 2024 and 5174, that multiplied together give a triangular number (10472176 = T₄₅₇₆).

The spelling of 20245174 in words is "twenty million, two hundred forty-five thousand, one hundred seventy-four".