20067281572037 has 6 divisors (see below), whose sum is σ = 23343572440998. Its totient is φ = 17200527061704.

The previous prime is 20067281572021. The next prime is 20067281572097. The reversal of 20067281572037 is 73027518276002.

It can be written as a sum of positive squares in only one way, i.e., 17326647675841 + 2740633896196 = 4162529^2 + 1655486^2 .

It is not a de Polignac number, because 20067281572037 - 2⁴ = 20067281572021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067281572007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204768179258 + ... + 204768179355.

It is an arithmetic number, because the mean of its divisors is an integer number (3890595406833).

Almost surely, 2^{20067281572037} is an apocalyptic number.

It is an amenable number.

20067281572037 is a deficient number, since it is larger than the sum of its proper divisors (3276290868961).

20067281572037 is an equidigital number, since it uses as much as digits as its factorization.

20067281572037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409536358627 (or 409536358620 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 20067281572037 in words is "twenty trillion, sixty-seven billion, two hundred eighty-one million, five hundred seventy-two thousand, thirty-seven".