1102020013 has 2 divisors, whose sum is σ = 1102020014. Its totient is φ = 1102020012.

The previous prime is 1102019987. The next prime is 1102020041. The reversal of 1102020013 is 3100202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622103364 + 479916649 = 24942^2 + 21907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102020013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102020313) 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, 551010006 + 551010007.

It is an arithmetic number, because the mean of its divisors is an integer number (551010007).

Almost surely, 2^1102020013 is an apocalyptic number.

It is an amenable number.

1102020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102020013 is an equidigital number, since it uses as much as digits as its factorization.

1102020013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1102020013 is about 33196.6867774481. The cubic root of 1102020013 is about 1032.9116136801.

Adding to 1102020013 its reverse (3100202011), we get a palindrome (4202222024).

The spelling of 1102020013 in words is "one billion, one hundred two million, twenty thousand, thirteen".