20537063 has 2 divisors, whose sum is σ = 20537064. Its totient is φ = 20537062.

The previous prime is 20537059. The next prime is 20537087. The reversal of 20537063 is 36073502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20537063 - 2² = 20537059 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 (20537093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268531 + 10268532.

It is an arithmetic number, because the mean of its divisors is an integer number (10268532).

Almost surely, 2^20537063 is an apocalyptic number.

20537063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20537063 is an equidigital number, since it uses as much as digits as its factorization.

20537063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 20537063 is about 4531.7836444385. The cubic root of 20537063 is about 273.8500209278.

The spelling of 20537063 in words is "twenty million, five hundred thirty-seven thousand, sixty-three".