2037020081 has 2 divisors, whose sum is σ = 2037020082. Its totient is φ = 2037020080.

The previous prime is 2037020023. The next prime is 2037020107. The reversal of 2037020081 is 1800207302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1313410081 + 723610000 = 36241^2 + 26900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2037020081 - 2¹⁸ = 2036757937 is a prime.

It is a super-2 number, since 2×2037020081² = 8298901620794493122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2037020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018510040 + 1018510041.

It is an arithmetic number, because the mean of its divisors is an integer number (1018510041).

Almost surely, 2^2037020081 is an apocalyptic number.

It is an amenable number.

2037020081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037020081 is an equidigital number, since it uses as much as digits as its factorization.

2037020081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2037020081 is about 45133.3588490819. The cubic root of 2037020081 is about 1267.6473029893.

Adding to 2037020081 its reverse (1800207302), we get a palindrome (3837227383).

The spelling of 2037020081 in words is "two billion, thirty-seven million, twenty thousand, eighty-one".