20110020037 has 2 divisors, whose sum is σ = 20110020038. Its totient is φ = 20110020036.

The previous prime is 20110019981. The next prime is 20110020041. The reversal of 20110020037 is 73002001102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19318498081 + 791521956 = 138991^2 + 28134^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110020037 - 2¹⁵ = 20109987269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20110020037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20110020097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055010018 + 10055010019.

It is an arithmetic number, because the mean of its divisors is an integer number (10055010019).

Almost surely, 2^20110020037 is an apocalyptic number.

It is an amenable number.

20110020037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110020037 is an equidigital number, since it uses as much as digits as its factorization.

20110020037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

Adding to 20110020037 its reverse (73002001102), we get a palindrome (93112021139).

The spelling of 20110020037 in words is "twenty billion, one hundred ten million, twenty thousand, thirty-seven".