20754042 has 32 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 6167808.

The previous prime is 20754007. The next prime is 20754047. The reversal of 20754042 is 24045702.

It is not an unprimeable number, because it can be changed into a prime (20754047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3417 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^20754042 is an apocalyptic number.

20754042 is an abundant number, since it is smaller than the sum of its proper divisors (25513158).

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

20754042 is a wasteful number, since it uses less digits than its factorization.

20754042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10750.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 20754042 is about 4555.6604351071. The cubic root of 20754042 is about 274.8110746455.

Adding to 20754042 its reverse (24045702), we get a palindrome (44799744).

The spelling of 20754042 in words is "twenty million, seven hundred fifty-four thousand, forty-two".