20736452 has 12 divisors (see below), whose sum is σ = 39587856. Its totient is φ = 9425640.

The previous prime is 20736451. The next prime is 20736461. The reversal of 20736452 is 25463702.

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 not an unprimeable number, because it can be changed into a prime (20736451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235598 + ... + 235685.

It is an arithmetic number, because the mean of its divisors is an integer number (3298988).

Almost surely, 2^20736452 is an apocalyptic number.

20736452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20736452 is a deficient number, since it is larger than the sum of its proper divisors (18851404).

20736452 is a wasteful number, since it uses less digits than its factorization.

20736452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471298 (or 471296 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 20736452 is about 4553.7294605631. The cubic root of 20736452 is about 274.7334143821.

The spelling of 20736452 in words is "twenty million, seven hundred thirty-six thousand, four hundred fifty-two".