20747352 has 32 divisors (see below), whose sum is σ = 52038000. Its totient is φ = 6893184.

The previous prime is 20747347. The next prime is 20747399. The reversal of 20747352 is 25374702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7138 + ... + 9614.

Almost surely, 2^20747352 is an apocalyptic number.

It is an amenable number.

20747352 is an abundant number, since it is smaller than the sum of its proper divisors (31290648).

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

20747352 is a wasteful number, since it uses less digits than its factorization.

20747352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 20747352 is about 4554.9261245381. The cubic root of 20747352 is about 274.7815433110.

The spelling of 20747352 in words is "twenty million, seven hundred forty-seven thousand, three hundred fifty-two".