20345032142219 has 4 divisors (see below), whose sum is σ = 20349603036840. Its totient is φ = 20340461247600.

The previous prime is 20345032142173. The next prime is 20345032142231. The reversal of 20345032142219 is 91224123054302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20345032142219 - 2¹⁶ = 20345032076683 is a prime.

It is a super-2 number, since 2×20345032142219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20345032142249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285440634 + ... + 2285449535.

It is an arithmetic number, because the mean of its divisors is an integer number (5087400759210).

Almost surely, 2^{20345032142219} is an apocalyptic number.

20345032142219 is a deficient number, since it is larger than the sum of its proper divisors (4570894621).

20345032142219 is an equidigital number, since it uses as much as digits as its factorization.

20345032142219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570894620.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20345032142219 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, one hundred forty-two thousand, two hundred nineteen".