20200049367481 has 2 divisors, whose sum is σ = 20200049367482. Its totient is φ = 20200049367480.

The previous prime is 20200049367473. The next prime is 20200049367521. The reversal of 20200049367481 is 18476394000202.

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., 12294251891856 + 7905797475625 = 3506316^2 + 2811725^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200049367481 - 2³ = 20200049367473 is a prime.

It is a super-2 number, since 2×20200049367481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20200049367181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100024683740 + 10100024683741.

It is an arithmetic number, because the mean of its divisors is an integer number (10100024683741).

Almost surely, 2^{20200049367481} is an apocalyptic number.

It is an amenable number.

20200049367481 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200049367481 is an equidigital number, since it uses as much as digits as its factorization.

20200049367481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 20200049367481 in words is "twenty trillion, two hundred billion, forty-nine million, three hundred sixty-seven thousand, four hundred eighty-one".