20055137 has 2 divisors, whose sum is σ = 20055138. Its totient is φ = 20055136.

The previous prime is 20055131. The next prime is 20055143. The reversal of 20055137 is 73155002.

It is a balanced prime because it is at equal distance from previous prime (20055131) and next prime (20055143).

It can be written as a sum of positive squares in only one way, i.e., 14371681 + 5683456 = 3791^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 20055137 - 2¹⁰ = 20054113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20055131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027568 + 10027569.

It is an arithmetic number, because the mean of its divisors is an integer number (10027569).

Almost surely, 2^20055137 is an apocalyptic number.

It is an amenable number.

20055137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20055137 is an equidigital number, since it uses as much as digits as its factorization.

20055137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 20055137 is about 4478.2962161965. The cubic root of 20055137 is about 271.6909741926.

The spelling of 20055137 in words is "twenty million, fifty-five thousand, one hundred thirty-seven".