20739350 has 24 divisors (see below), whose sum is σ = 39908160. Its totient is φ = 8009120.

The previous prime is 20739347. The next prime is 20739421. The reversal of 20739350 is 5393702.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5702 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (1662840).

Almost surely, 2^20739350 is an apocalyptic number.

20739350 is a deficient number, since it is larger than the sum of its proper divisors (19168810).

20739350 is a wasteful number, since it uses less digits than its factorization.

20739350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344 (or 14339 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 20739350 is about 4554.0476501679. The cubic root of 20739350 is about 274.7462121411.

The spelling of 20739350 in words is "twenty million, seven hundred thirty-nine thousand, three hundred fifty".