20102033203109 has 16 divisors (see below), whose sum is σ = 23616560124864. Its totient is φ = 16868706585600.

The previous prime is 20102033203079. The next prime is 20102033203139. The reversal of 20102033203109 is 90130233020102.

It is an interprime number because it is at equal distance from previous prime (20102033203079) and next prime (20102033203139).

It is a cyclic number.

It is not a de Polignac number, because 20102033203109 - 2²⁴ = 20102016425893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102033203139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20526917 + ... + 21483909.

It is an arithmetic number, because the mean of its divisors is an integer number (1476035007804).

Almost surely, 2^{20102033203109} is an apocalyptic number.

It is an amenable number.

20102033203109 is a deficient number, since it is larger than the sum of its proper divisors (3514526921755).

20102033203109 is a wasteful number, since it uses less digits than its factorization.

20102033203109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103908.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 20102033203109 in words is "twenty trillion, one hundred two billion, thirty-three million, two hundred three thousand, one hundred nine".