20014693 has 2 divisors, whose sum is σ = 20014694. Its totient is φ = 20014692.

The previous prime is 20014667. The next prime is 20014721. The reversal of 20014693 is 39641002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15824484 + 4190209 = 3978^2 + 2047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20014693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20014493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007346 + 10007347.

It is an arithmetic number, because the mean of its divisors is an integer number (10007347).

Almost surely, 2^20014693 is an apocalyptic number.

It is an amenable number.

20014693 is a deficient number, since it is larger than the sum of its proper divisors (1).

20014693 is an equidigital number, since it uses as much as digits as its factorization.

20014693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20014693 is about 4473.7783807426. The cubic root of 20014693 is about 271.5082169518.

Adding to 20014693 its reverse (39641002), we get a palindrome (59655695).

The spelling of 20014693 in words is "twenty million, fourteen thousand, six hundred ninety-three".