20100333023009 has 2 divisors, whose sum is σ = 20100333023010. Its totient is φ = 20100333023008.

The previous prime is 20100333022927. The next prime is 20100333023027. The reversal of 20100333023009 is 90032033300102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11667860430625 + 8432472592384 = 3415825^2 + 2903872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100333023009 is a prime.

It is a super-2 number, since 2×20100333023009² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20100333023509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050166511504 + 10050166511505.

It is an arithmetic number, because the mean of its divisors is an integer number (10050166511505).

Almost surely, 2^{20100333023009} is an apocalyptic number.

It is an amenable number.

20100333023009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100333023009 is an equidigital number, since it uses as much as digits as its factorization.

20100333023009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 26.

The spelling of 20100333023009 in words is "twenty trillion, one hundred billion, three hundred thirty-three million, twenty-three thousand, nine".