20763007 has 2 divisors, whose sum is σ = 20763008. Its totient is φ = 20763006.

The previous prime is 20762999. The next prime is 20763013. The reversal of 20763007 is 70036702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20763007 - 2³ = 20762999 is a prime.

It is a super-2 number, since 2×20763007² = 862204919364098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20763047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10381503 + 10381504.

It is an arithmetic number, because the mean of its divisors is an integer number (10381504).

Almost surely, 2^20763007 is an apocalyptic number.

20763007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20763007 is an equidigital number, since it uses as much as digits as its factorization.

20763007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 20763007 is about 4556.6442696353. The cubic root of 20763007 is about 274.8506384507.

Adding to 20763007 its reverse (70036702), we get a palindrome (90799709).

The spelling of 20763007 in words is "twenty million, seven hundred sixty-three thousand, seven".