20737007 has 8 divisors (see below), whose sum is σ = 21690240. Its totient is φ = 19788120.

The previous prime is 20736977. The next prime is 20737033. The reversal of 20737007 is 70073702.

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

It is a cyclic number.

It is not a de Polignac number, because 20737007 - 2¹⁶ = 20671471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20737207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12344 + ... + 13922.

It is an arithmetic number, because the mean of its divisors is an integer number (2711280).

Almost surely, 2^20737007 is an apocalyptic number.

20737007 is a deficient number, since it is larger than the sum of its proper divisors (953233).

20737007 is a wasteful number, since it uses less digits than its factorization.

20737007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 2058, while the sum is 26.

The square root of 20737007 is about 4553.7903992169. The cubic root of 20737007 is about 274.7358653910.

The spelling of 20737007 in words is "twenty million, seven hundred thirty-seven thousand, seven".