20737066 has 8 divisors (see below), whose sum is σ = 35549280. Its totient is φ = 8887308.

The previous prime is 20737063. The next prime is 20737081. The reversal of 20737066 is 66073702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20737063) 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, 740596 + ... + 740623.

It is an arithmetic number, because the mean of its divisors is an integer number (4443660).

Almost surely, 2^20737066 is an apocalyptic number.

20737066 is a deficient number, since it is larger than the sum of its proper divisors (14812214).

20737066 is a wasteful number, since it uses less digits than its factorization.

20737066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481228.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 20737066 is about 4553.7968773321. The cubic root of 20737066 is about 274.7361259461.

It can be divided in two parts, 207 and 37066, that added together give a palindrome (37273).

The spelling of 20737066 in words is "twenty million, seven hundred thirty-seven thousand, sixty-six".