20152633 has 8 divisors (see below), whose sum is σ = 21377952. Its totient is φ = 18931776.

The previous prime is 20152621. The next prime is 20152703. The reversal of 20152633 is 33625102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20152633 is a prime.

It is a super-2 number, since 2×20152633² = 812257233665378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20152603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14766 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (2672244).

Almost surely, 2^20152633 is an apocalyptic number.

It is an amenable number.

20152633 is a deficient number, since it is larger than the sum of its proper divisors (1225319).

20152633 is a wasteful number, since it uses less digits than its factorization.

20152633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20152633 is about 4489.1684085140. The cubic root of 20152633 is about 272.1305286503.

Adding to 20152633 its reverse (33625102), we get a palindrome (53777735).

The spelling of 20152633 in words is "twenty million, one hundred fifty-two thousand, six hundred thirty-three".