20240021941 has 2 divisors, whose sum is σ = 20240021942. Its totient is φ = 20240021940.

The previous prime is 20240021933. The next prime is 20240022029. The reversal of 20240021941 is 14912004202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10500305841 + 9739716100 = 102471^2 + 98690^2 .

It is a cyclic number.

It is not a de Polignac number, because 20240021941 - 2³ = 20240021933 is a prime.

It is a super-2 number, since 2×20240021941² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20240021341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120010970 + 10120010971.

It is an arithmetic number, because the mean of its divisors is an integer number (10120010971).

Almost surely, 2^20240021941 is an apocalyptic number.

It is an amenable number.

20240021941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20240021941 is an equidigital number, since it uses as much as digits as its factorization.

20240021941 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 20240021941 in words is "twenty billion, two hundred forty million, twenty-one thousand, nine hundred forty-one".