20020011220249 has 2 divisors, whose sum is σ = 20020011220250. Its totient is φ = 20020011220248.

The previous prime is 20020011220199. The next prime is 20020011220271. The reversal of 20020011220249 is 94202211002002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10734095821849 + 9285915398400 = 3276293^2 + 3047280^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020011220249 - 2⁹ = 20020011219737 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020011220549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010005610124 + 10010005610125.

It is an arithmetic number, because the mean of its divisors is an integer number (10010005610125).

Almost surely, 2^{20020011220249} is an apocalyptic number.

It is an amenable number.

20020011220249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020011220249 is an equidigital number, since it uses as much as digits as its factorization.

20020011220249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20020011220249 in words is "twenty trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred forty-nine".