20348737201 has 9 divisors (see below), whose sum is σ = 22036439649. Its totient is φ = 18781737936.

The previous prime is 20348737151. The next prime is 20348737207. The reversal of 20348737201 is 10273784302.

The square root of 20348737201 is 142649.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2102130801 + 18246606400 = 45849^2 + 135080^2 .

It is not a de Polignac number, because 20348737201 - 2⁹ = 20348736689 is a prime.

It is a super-2 number, since 2×20348737201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20348737207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1848951 + ... + 1859923.

Almost surely, 2^20348737201 is an apocalyptic number.

20348737201 is the 142649-th square number.

20348737201 is the 71325-th centered octagonal number.

It is an amenable number.

20348737201 is a deficient number, since it is larger than the sum of its proper divisors (1687702448).

20348737201 is an frugal number, since it uses more digits than its factorization.

20348737201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21972 (or 10986 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20348737201 in words is "twenty billion, three hundred forty-eight million, seven hundred thirty-seven thousand, two hundred one".