20770333 has 4 divisors (see below), whose sum is σ = 21253408. Its totient is φ = 20287260.

The previous prime is 20770331. The next prime is 20770339. The reversal of 20770333 is 33307702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20770333 - 2¹ = 20770331 is a prime.

It is a super-4 number, since 4×20770333⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20770298 and 20770307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241473 + ... + 241558.

It is an arithmetic number, because the mean of its divisors is an integer number (5313352).

Almost surely, 2^20770333 is an apocalyptic number.

It is an amenable number.

20770333 is a deficient number, since it is larger than the sum of its proper divisors (483075).

20770333 is an equidigital number, since it uses as much as digits as its factorization.

20770333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483074.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 20770333 is about 4557.4480797920. The cubic root of 20770333 is about 274.8829606637.

The spelling of 20770333 in words is "twenty million, seven hundred seventy thousand, three hundred thirty-three".