20061137 has 2 divisors, whose sum is σ = 20061138. Its totient is φ = 20061136.

The previous prime is 20061133. The next prime is 20061161. The reversal of 20061137 is 73116002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 8473921 = 3404^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 20061137 - 2² = 20061133 is a prime.

It is not a weakly prime, because it can be changed into another prime (20061133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030568 + 10030569.

It is an arithmetic number, because the mean of its divisors is an integer number (10030569).

Almost surely, 2^20061137 is an apocalyptic number.

It is an amenable number.

20061137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061137 is an equidigital number, since it uses as much as digits as its factorization.

20061137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20061137 is about 4478.9660637250. The cubic root of 20061137 is about 271.7180658933.

Adding to 20061137 its reverse (73116002), we get a palindrome (93177139).

It can be divided in two parts, 2006 and 1137, that multiplied together give a palindrome (2280822).

The spelling of 20061137 in words is "twenty million, sixty-one thousand, one hundred thirty-seven".