20733416 has 16 divisors (see below), whose sum is σ = 42409440. Its totient is φ = 9424240.

The previous prime is 20733359. The next prime is 20733467. The reversal of 20733416 is 61433702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117716 + ... + 117891.

It is an arithmetic number, because the mean of its divisors is an integer number (2650590).

Almost surely, 2^20733416 is an apocalyptic number.

It is an amenable number.

20733416 is an abundant number, since it is smaller than the sum of its proper divisors (21676024).

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

20733416 is a wasteful number, since it uses less digits than its factorization.

20733416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235624 (or 235620 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20733416 is about 4553.3960952239. The cubic root of 20733416 is about 274.7200059270.

The spelling of 20733416 in words is "twenty million, seven hundred thirty-three thousand, four hundred sixteen".