20514633 has 8 divisors (see below), whose sum is σ = 27399648. Its totient is φ = 13653024.

The previous prime is 20514619. The next prime is 20514677. The reversal of 20514633 is 33641502.

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 20514633 - 2⁴ = 20514617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20514833) 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, 3691 + ... + 7392.

It is an arithmetic number, because the mean of its divisors is an integer number (3424956).

Almost surely, 2^20514633 is an apocalyptic number.

It is an amenable number.

20514633 is a deficient number, since it is larger than the sum of its proper divisors (6885015).

20514633 is a wasteful number, since it uses less digits than its factorization.

20514633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20514633 is about 4529.3082253254. The cubic root of 20514633 is about 273.7502875250.

The spelling of 20514633 in words is "twenty million, five hundred fourteen thousand, six hundred thirty-three".