20367742 has 8 divisors (see below), whose sum is σ = 31880016. Its totient is φ = 9741072.

The previous prime is 20367731. The next prime is 20367757. The reversal of 20367742 is 24776302.

It is a happy number.

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, 221343 + ... + 221434.

It is an arithmetic number, because the mean of its divisors is an integer number (3985002).

Almost surely, 2^20367742 is an apocalyptic number.

20367742 is a deficient number, since it is larger than the sum of its proper divisors (11512274).

20367742 is a wasteful number, since it uses less digits than its factorization.

20367742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442802.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 20367742 is about 4513.0634828241. The cubic root of 20367742 is about 273.0953434418.

The spelling of 20367742 in words is "twenty million, three hundred sixty-seven thousand, seven hundred forty-two".