20411400601 has 2 divisors, whose sum is σ = 20411400602. Its totient is φ = 20411400600.

The previous prime is 20411400563. The next prime is 20411400619. The reversal of 20411400601 is 10600411402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20206338201 + 205062400 = 142149^2 + 14320^2 .

It is a cyclic number.

It is not a de Polignac number, because 20411400601 - 2¹⁹ = 20410876313 is a prime.

It is a super-2 number, since 2×20411400601² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20411400631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205700300 + 10205700301.

It is an arithmetic number, because the mean of its divisors is an integer number (10205700301).

Almost surely, 2^20411400601 is an apocalyptic number.

It is an amenable number.

20411400601 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411400601 is an equidigital number, since it uses as much as digits as its factorization.

20411400601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 20411400601 in words is "twenty billion, four hundred eleven million, four hundred thousand, six hundred one".