20466633 has 8 divisors (see below), whose sum is σ = 29769696. Its totient is φ = 12404000.

The previous prime is 20466631. The next prime is 20466637. The reversal of 20466633 is 33666402.

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

It is a cyclic number.

It is not a de Polignac number, because 20466633 - 2¹ = 20466631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20466633.

It is not an unprimeable number, because it can be changed into a prime (20466631) 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, 310068 + ... + 310133.

It is an arithmetic number, because the mean of its divisors is an integer number (3721212).

Almost surely, 2^20466633 is an apocalyptic number.

It is an amenable number.

20466633 is a deficient number, since it is larger than the sum of its proper divisors (9303063).

20466633 is a wasteful number, since it uses less digits than its factorization.

20466633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620215.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 20466633 is about 4524.0062997304. The cubic root of 20466633 is about 273.5366144288.

The spelling of 20466633 in words is "twenty million, four hundred sixty-six thousand, six hundred thirty-three".