20969332 has 12 divisors (see below), whose sum is σ = 37477440. Its totient is φ = 10261496.

The previous prime is 20969329. The next prime is 20969339. The reversal of 20969332 is 23396902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20969339) 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, 55582 + ... + 55957.

It is an arithmetic number, because the mean of its divisors is an integer number (3123120).

Almost surely, 2^20969332 is an apocalyptic number.

It is an amenable number.

20969332 is a deficient number, since it is larger than the sum of its proper divisors (16508108).

20969332 is a wasteful number, since it uses less digits than its factorization.

20969332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111590 (or 111588 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 20969332 is about 4579.2283192695. The cubic root of 20969332 is about 275.7580495301.

It can be divided in two parts, 209693 and 32, that multiplied together give a palindrome (6710176).

The spelling of 20969332 in words is "twenty million, nine hundred sixty-nine thousand, three hundred thirty-two".