20736552 has 32 divisors (see below), whose sum is σ = 52502400. Its totient is φ = 6824064.

The previous prime is 20736511. The next prime is 20736577. The reversal of 20736552 is 25563702.

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, 3573 + ... + 7364.

It is an arithmetic number, because the mean of its divisors is an integer number (1640700).

Almost surely, 2^20736552 is an apocalyptic number.

It is an amenable number.

20736552 is an abundant number, since it is smaller than the sum of its proper divisors (31765848).

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

20736552 is a wasteful number, since it uses less digits than its factorization.

20736552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025 (or 11021 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 20736552 is about 4553.7404405609. The cubic root of 20736552 is about 274.7338560085.

The spelling of 20736552 in words is "twenty million, seven hundred thirty-six thousand, five hundred fifty-two".