20862034 has 4 divisors (see below), whose sum is σ = 31293054. Its totient is φ = 10431016.

The previous prime is 20862011. The next prime is 20862041. The reversal of 20862034 is 43026802.

It is a happy number.

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., 20295025 + 567009 = 4505^2 + 753^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215507 + ... + 5215510.

Almost surely, 2^20862034 is an apocalyptic number.

20862034 is a deficient number, since it is larger than the sum of its proper divisors (10431020).

20862034 is a wasteful number, since it uses less digits than its factorization.

20862034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431019.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20862034 is about 4567.4975643124. The cubic root of 20862034 is about 275.2869027790.

Adding to 20862034 its reverse (43026802), we get a palindrome (63888836).

The spelling of 20862034 in words is "twenty million, eight hundred sixty-two thousand, thirty-four".