20833232 has 30 divisors (see below), whose sum is σ = 46956258. Its totient is φ = 8928192.

The previous prime is 20833231. The next prime is 20833237. The reversal of 20833232 is 23233802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20830096 + 3136 = 4564^2 + 56^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20833198 and 20833207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20833231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12503 + ... + 14070.

Almost surely, 2^20833232 is an apocalyptic number.

It is an amenable number.

20833232 is an abundant number, since it is smaller than the sum of its proper divisors (26123026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20833232 is a wasteful number, since it uses less digits than its factorization.

20833232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26595 (or 26582 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20833232 is about 4564.3435453524. The cubic root of 20833232 is about 275.1601579468.

The spelling of 20833232 in words is "twenty million, eight hundred thirty-three thousand, two hundred thirty-two".