20652334 has 4 divisors (see below), whose sum is σ = 30978504. Its totient is φ = 10326166.

The previous prime is 20652329. The next prime is 20652347. The reversal of 20652334 is 43325602.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20652299 and 20652308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5163082 + ... + 5163085.

It is an arithmetic number, because the mean of its divisors is an integer number (7744626).

Almost surely, 2^20652334 is an apocalyptic number.

20652334 is a deficient number, since it is larger than the sum of its proper divisors (10326170).

20652334 is a wasteful number, since it uses less digits than its factorization.

20652334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326169.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 20652334 is about 4544.4839090924. The cubic root of 20652334 is about 274.3614229924.

Adding to 20652334 its reverse (43325602), we get a palindrome (63977936).

The spelling of 20652334 in words is "twenty million, six hundred fifty-two thousand, three hundred thirty-four".