20065342 has 8 divisors (see below), whose sum is σ = 32834232. Its totient is φ = 9120600.

The previous prime is 20065337. The next prime is 20065343. The reversal of 20065342 is 24356002.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 912061 = 20065342 / (2 + 0 + 0 + 6 + 5 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456009 + ... + 456052.

It is an arithmetic number, because the mean of its divisors is an integer number (4104279).

Almost surely, 2^20065342 is an apocalyptic number.

20065342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20065342 is a deficient number, since it is larger than the sum of its proper divisors (12768890).

20065342 is a wasteful number, since it uses less digits than its factorization.

20065342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912074.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20065342 is about 4479.4354555011. The cubic root of 20065342 is about 271.7370494409.

The spelling of 20065342 in words is "twenty million, sixty-five thousand, three hundred forty-two".