2120006477 has 2 divisors, whose sum is σ = 2120006478. Its totient is φ = 2120006476.

The previous prime is 2120006431. The next prime is 2120006479. The reversal of 2120006477 is 7746000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067263561 + 1052742916 = 32669^2 + 32446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120006477 - 2²⁸ = 1851571021 is a prime.

Together with 2120006479, 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 (2120006479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060003238 + 1060003239.

It is an arithmetic number, because the mean of its divisors is an integer number (1060003239).

Almost surely, 2^2120006477 is an apocalyptic number.

It is an amenable number.

2120006477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120006477 is an equidigital number, since it uses as much as digits as its factorization.

2120006477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2120006477 is about 46043.5280685570. The cubic root of 2120006477 is about 1284.6329659752.

Adding to 2120006477 its reverse (7746000212), we get a palindrome (9866006689).

The spelling of 2120006477 in words is "two billion, one hundred twenty million, six thousand, four hundred seventy-seven".