20733342 has 32 divisors (see below), whose sum is σ = 47596032. Its totient is φ = 5898144.

The previous prime is 20733337. The next prime is 20733359. The reversal of 20733342 is 24333702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10108 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (1487376).

Almost surely, 2^20733342 is an apocalyptic number.

20733342 is an abundant number, since it is smaller than the sum of its proper divisors (26862690).

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

20733342 is a wasteful number, since it uses less digits than its factorization.

20733342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 20733342 is about 4553.3879694135. The cubic root of 20733342 is about 274.7196790906.

The spelling of 20733342 in words is "twenty million, seven hundred thirty-three thousand, three hundred forty-two".