20769933 has 8 divisors (see below), whose sum is σ = 28106848. Its totient is φ = 13639824.

The previous prime is 20769923. The next prime is 20769941. The reversal of 20769933 is 33996702.

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

It is not a de Polignac number, because 20769933 - 2⁵ = 20769901 is a prime.

It is a super-4 number, since 4×20769933⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20769891 and 20769900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20769923) 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, 51466 + ... + 51867.

It is an arithmetic number, because the mean of its divisors is an integer number (3513356).

Almost surely, 2^20769933 is an apocalyptic number.

It is an amenable number.

20769933 is a deficient number, since it is larger than the sum of its proper divisors (7336915).

20769933 is a wasteful number, since it uses less digits than its factorization.

20769933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103403.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 20769933 is about 4557.4041953726. The cubic root of 20769933 is about 274.8811960653.

The spelling of 20769933 in words is "twenty million, seven hundred sixty-nine thousand, nine hundred thirty-three".