100020200213309 has 2 divisors, whose sum is σ = 100020200213310. Its totient is φ = 100020200213308.

The previous prime is 100020200213287. The next prime is 100020200213341. The reversal of 100020200213309 is 903312002020001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98172367790809 + 1847832422500 = 9908197^2 + 1359350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020200213309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100020200213399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010100106654 + 50010100106655.

It is an arithmetic number, because the mean of its divisors is an integer number (50010100106655).

Almost surely, 2^{100020200213309} is an apocalyptic number.

It is an amenable number.

100020200213309 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020200213309 is an equidigital number, since it uses as much as digits as its factorization.

100020200213309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 100020200213309 in words is "one hundred trillion, twenty billion, two hundred million, two hundred thirteen thousand, three hundred nine".