20382034 has 4 divisors (see below), whose sum is σ = 30573054. Its totient is φ = 10191016.

The previous prime is 20382029. The next prime is 20382059. The reversal of 20382034 is 43028302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20025625 + 356409 = 4475^2 + 597^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20381996 and 20382014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5095507 + ... + 5095510.

Almost surely, 2^20382034 is an apocalyptic number.

20382034 is a deficient number, since it is larger than the sum of its proper divisors (10191020).

20382034 is a wasteful number, since it uses less digits than its factorization.

20382034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191019.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20382034 is about 4514.6466085398. The cubic root of 20382034 is about 273.1592053085.

The spelling of 20382034 in words is "twenty million, three hundred eighty-two thousand, thirty-four".