20732342 has 8 divisors (see below), whose sum is σ = 31211616. Its totient is φ = 10328472.

The previous prime is 20732339. The next prime is 20732353. The reversal of 20732342 is 24323702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18158 + ... + 19265.

It is an arithmetic number, because the mean of its divisors is an integer number (3901452).

Almost surely, 2^20732342 is an apocalyptic number.

20732342 is a deficient number, since it is larger than the sum of its proper divisors (10479274).

20732342 is a wasteful number, since it uses less digits than its factorization.

20732342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37702.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 20732342 is about 4553.2781597438. The cubic root of 20732342 is about 274.7152623063.

The spelling of 20732342 in words is "twenty million, seven hundred thirty-two thousand, three hundred forty-two".