20100193441 has 2 divisors, whose sum is σ = 20100193442. Its totient is φ = 20100193440.

The previous prime is 20100193411. The next prime is 20100193469. The reversal of 20100193441 is 14439100102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19524193441 + 576000000 = 139729^2 + 24000^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100193441 - 2¹³ = 20100185249 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100193411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050096720 + 10050096721.

It is an arithmetic number, because the mean of its divisors is an integer number (10050096721).

Almost surely, 2^20100193441 is an apocalyptic number.

It is an amenable number.

20100193441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100193441 is an equidigital number, since it uses as much as digits as its factorization.

20100193441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 20100193441 its reverse (14439100102), we get a palindrome (34539293543).

The spelling of 20100193441 in words is "twenty billion, one hundred million, one hundred ninety-three thousand, four hundred forty-one".