20633106513 has 8 divisors (see below), whose sum is σ = 27511569376. Its totient is φ = 13755024000.

The previous prime is 20633106493. The next prime is 20633106521. The reversal of 20633106513 is 31560133602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20633106513 - 2¹² = 20633102417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20633106523) 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, 74913 + ... + 216513.

It is an arithmetic number, because the mean of its divisors is an integer number (3438946172).

Almost surely, 2^20633106513 is an apocalyptic number.

It is an amenable number.

20633106513 is a deficient number, since it is larger than the sum of its proper divisors (6878462863).

20633106513 is a wasteful number, since it uses less digits than its factorization.

20633106513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190175.

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 20633106513 in words is "twenty billion, six hundred thirty-three million, one hundred six thousand, five hundred thirteen".