20700533 has 8 divisors (see below), whose sum is σ = 24046080. Its totient is φ = 17452080.

The previous prime is 20700523. The next prime is 20700551. The reversal of 20700533 is 33500702.

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 20700533 - 2⁶ = 20700469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20700503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23813 + ... + 24666.

It is an arithmetic number, because the mean of its divisors is an integer number (3005760).

Almost surely, 2^20700533 is an apocalyptic number.

It is an amenable number.

20700533 is a deficient number, since it is larger than the sum of its proper divisors (3345547).

20700533 is an equidigital number, since it uses as much as digits as its factorization.

20700533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48547.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 20700533 is about 4549.7838410193. The cubic root of 20700533 is about 274.5746946429.

The spelling of 20700533 in words is "twenty million, seven hundred thousand, five hundred thirty-three".