20375742 has 16 divisors (see below), whose sum is σ = 42066432. Its totient is φ = 6572760.

The previous prime is 20375699. The next prime is 20375743. The reversal of 20375742 is 24757302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20375743) 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, 54588 + ... + 54959.

It is an arithmetic number, because the mean of its divisors is an integer number (2629152).

Almost surely, 2^20375742 is an apocalyptic number.

20375742 is an abundant number, since it is smaller than the sum of its proper divisors (21690690).

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

20375742 is a wasteful number, since it uses less digits than its factorization.

20375742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109583.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 20375742 is about 4513.9497117270. The cubic root of 20375742 is about 273.1310940381.

The spelling of 20375742 in words is "twenty million, three hundred seventy-five thousand, seven hundred forty-two".