20345196101 has 8 divisors (see below), whose sum is σ = 20587708440. Its totient is φ = 20102993152.

The previous prime is 20345196071. The next prime is 20345196103. The reversal of 20345196101 is 10169154302.

It can be written as a sum of positive squares in 4 ways, for example, as 4392243076 + 15952953025 = 66274^2 + 126305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20345196101 - 2⁶ = 20345196037 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 (20345196103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56321 + ... + 209433.

It is an arithmetic number, because the mean of its divisors is an integer number (2573463555).

Almost surely, 2^20345196101 is an apocalyptic number.

It is an amenable number.

20345196101 is a deficient number, since it is larger than the sum of its proper divisors (242512339).

20345196101 is a wasteful number, since it uses less digits than its factorization.

20345196101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154695.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 20345196101 in words is "twenty billion, three hundred forty-five million, one hundred ninety-six thousand, one hundred one".