20393962 has 8 divisors (see below), whose sum is σ = 31921056. Its totient is φ = 9753612.

The previous prime is 20393953. The next prime is 20393963. The reversal of 20393962 is 26939302.

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

It is not an unprimeable number, because it can be changed into a prime (20393963) 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, 221628 + ... + 221719.

It is an arithmetic number, because the mean of its divisors is an integer number (3990132).

Almost surely, 2^20393962 is an apocalyptic number.

20393962 is a deficient number, since it is larger than the sum of its proper divisors (11527094).

20393962 is a wasteful number, since it uses less digits than its factorization.

20393962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443372.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 20393962 is about 4515.9674489527. The cubic root of 20393962 is about 273.2124811103.

The spelling of 20393962 in words is "twenty million, three hundred ninety-three thousand, nine hundred sixty-two".