20533836872219 has 4 divisors (see below), whose sum is σ = 22400549315160. Its totient is φ = 18667124429280.

The previous prime is 20533836872183. The next prime is 20533836872233. The reversal of 20533836872219 is 91227863833502.

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 20533836872219 - 2⁸ = 20533836871963 is a prime.

It is a super-2 number, since 2×20533836872219² (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 (20533836862219) 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, 933356221454 + ... + 933356221475.

It is an arithmetic number, because the mean of its divisors is an integer number (5600137328790).

Almost surely, 2^{20533836872219} is an apocalyptic number.

20533836872219 is a deficient number, since it is larger than the sum of its proper divisors (1866712442941).

20533836872219 is a wasteful number, since it uses less digits than its factorization.

20533836872219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866712442940.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 20533836872219 in words is "twenty trillion, five hundred thirty-three billion, eight hundred thirty-six million, eight hundred seventy-two thousand, two hundred nineteen".