20733741 has 48 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 11024640.

The previous prime is 20733737. The next prime is 20733743. The reversal of 20733741 is 14733702.

It is not a de Polignac number, because 20733741 - 2² = 20733737 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20733743) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59235 + ... + 59583.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^20733741 is an apocalyptic number.

20733741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20733741 is a deficient number, since it is larger than the sum of its proper divisors (15957459).

20733741 is a wasteful number, since it uses less digits than its factorization.

20733741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20733741 is about 4553.4317827327. The cubic root of 20733741 is about 274.7214413479.

The spelling of 20733741 in words is "twenty million, seven hundred thirty-three thousand, seven hundred forty-one".