20060477 has 2 divisors, whose sum is σ = 20060478. Its totient is φ = 20060476.

The previous prime is 20060471. The next prime is 20060479. The reversal of 20060477 is 77406002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11215801 + 8844676 = 3349^2 + 2974^2 .

It is a cyclic number.

It is not a de Polignac number, because 20060477 - 2⁴ = 20060461 is a prime.

Together with 20060479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20060471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030238 + 10030239.

It is an arithmetic number, because the mean of its divisors is an integer number (10030239).

Almost surely, 2^20060477 is an apocalyptic number.

It is an amenable number.

20060477 is a deficient number, since it is larger than the sum of its proper divisors (1).

20060477 is an equidigital number, since it uses as much as digits as its factorization.

20060477 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 20060477 is about 4478.8923854007. The cubic root of 20060477 is about 271.7150860707.

Adding to 20060477 its reverse (77406002), we get a palindrome (97466479).

The spelling of 20060477 in words is "twenty million, sixty thousand, four hundred seventy-seven".