1420020011 has 2 divisors, whose sum is σ = 1420020012. Its totient is φ = 1420020010.

The previous prime is 1420020001. The next prime is 1420020031. The reversal of 1420020011 is 1100200241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420020011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420019974 and 1420020001.

It is not a weakly prime, because it can be changed into another prime (1420020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710010005 + 710010006.

It is an arithmetic number, because the mean of its divisors is an integer number (710010006).

Almost surely, 2^1420020011 is an apocalyptic number.

1420020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420020011 is an equidigital number, since it uses as much as digits as its factorization.

1420020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1420020011 is about 37683.1528802992. The cubic root of 1420020011 is about 1123.9961444442.

Adding to 1420020011 its reverse (1100200241), we get a palindrome (2520220252).

The spelling of 1420020011 in words is "one billion, four hundred twenty million, twenty thousand, eleven".