20633134 has 4 divisors (see below), whose sum is σ = 30949704. Its totient is φ = 10316566.

The previous prime is 20633113. The next prime is 20633147. The reversal of 20633134 is 43133602.

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

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, 5158282 + ... + 5158285.

It is an arithmetic number, because the mean of its divisors is an integer number (7737426).

Almost surely, 2^20633134 is an apocalyptic number.

20633134 is a deficient number, since it is larger than the sum of its proper divisors (10316570).

20633134 is a wasteful number, since it uses less digits than its factorization.

20633134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316569.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 20633134 is about 4542.3709667970. The cubic root of 20633134 is about 274.2763741291.

Adding to 20633134 its reverse (43133602), we get a palindrome (63766736).

The spelling of 20633134 in words is "twenty million, six hundred thirty-three thousand, one hundred thirty-four".