20072334 has 16 divisors (see below), whose sum is σ = 40348800. Its totient is φ = 6656760.

The previous prime is 20072333. The next prime is 20072369. The reversal of 20072334 is 43327002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20072334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20072333) 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, 7212 + ... + 9599.

It is an arithmetic number, because the mean of its divisors is an integer number (2521800).

Almost surely, 2^20072334 is an apocalyptic number.

20072334 is an abundant number, since it is smaller than the sum of its proper divisors (20276466).

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

20072334 is a wasteful number, since it uses less digits than its factorization.

20072334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 20072334 is about 4480.2158430147. The cubic root of 20072334 is about 271.7686090791.

Adding to 20072334 its reverse (43327002), we get a palindrome (63399336).

The spelling of 20072334 in words is "twenty million, seventy-two thousand, three hundred thirty-four".