20746007 has 2 divisors, whose sum is σ = 20746008. Its totient is φ = 20746006.

The previous prime is 20745983. The next prime is 20746013. The reversal of 20746007 is 70064702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20746007 - 2¹⁴ = 20729623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20746027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10373003 + 10373004.

It is an arithmetic number, because the mean of its divisors is an integer number (10373004).

Almost surely, 2^20746007 is an apocalyptic number.

20746007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20746007 is an equidigital number, since it uses as much as digits as its factorization.

20746007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 20746007 is about 4554.7784797946. The cubic root of 20746007 is about 274.7756053779.

The spelling of 20746007 in words is "twenty million, seven hundred forty-six thousand, seven".