20600501 has 2 divisors, whose sum is σ = 20600502. Its totient is φ = 20600500.

The previous prime is 20600471. The next prime is 20600509. The reversal of 20600501 is 10500602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13498276 + 7102225 = 3674^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 20600501 - 2¹⁴ = 20584117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20600509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10300250 + 10300251.

It is an arithmetic number, because the mean of its divisors is an integer number (10300251).

Almost surely, 2^20600501 is an apocalyptic number.

It is an amenable number.

20600501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20600501 is an equidigital number, since it uses as much as digits as its factorization.

20600501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20600501 is about 4538.7774785728. Note that the first 3 decimals coincide. The cubic root of 20600501 is about 274.1317009431.

The spelling of 20600501 in words is "twenty million, six hundred thousand, five hundred one".