20520000033411 has 8 divisors (see below), whose sum is σ = 27405074182144. Its totient is φ = 13657462953480.

The previous prime is 20520000033397. The next prime is 20520000033461. The reversal of 20520000033411 is 11433000002502.

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

It is not a de Polignac number, because 20520000033411 - 2⁴² = 16121953522307 is a prime.

It is a super-2 number, since 2×20520000033411² (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 (20520000033461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5634265075 + ... + 5634268716.

It is an arithmetic number, because the mean of its divisors is an integer number (3425634272768).

Almost surely, 2^{20520000033411} is an apocalyptic number.

20520000033411 is a deficient number, since it is larger than the sum of its proper divisors (6885074148733).

20520000033411 is a wasteful number, since it uses less digits than its factorization.

20520000033411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268534401.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20520000033411 its reverse (11433000002502), we get a palindrome (31953000035913).

The spelling of 20520000033411 in words is "twenty trillion, five hundred twenty billion, thirty-three thousand, four hundred eleven".