20411420203 has 2 divisors, whose sum is σ = 20411420204. Its totient is φ = 20411420202.

The previous prime is 20411420189. The next prime is 20411420273. The reversal of 20411420203 is 30202411402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411420203 is a prime.

It is a super-2 number, since 2×20411420203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20411420273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205710101 + 10205710102.

It is an arithmetic number, because the mean of its divisors is an integer number (10205710102).

Almost surely, 2^20411420203 is an apocalyptic number.

20411420203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411420203 is an equidigital number, since it uses as much as digits as its factorization.

20411420203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20411420203 its reverse (30202411402), we get a palindrome (50613831605).

The spelling of 20411420203 in words is "twenty billion, four hundred eleven million, four hundred twenty thousand, two hundred three".