20067120571 has 8 divisors (see below), whose sum is σ = 20594939904. Its totient is φ = 19546112040.

The previous prime is 20067120559. The next prime is 20067120587. The reversal of 20067120571 is 17502176002.

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 20067120571 - 2¹³ = 20067112379 is a prime.

It is a super-2 number, since 2×20067120571² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20067120511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696731 + ... + 1708516.

It is an arithmetic number, because the mean of its divisors is an integer number (2574367488).

Almost surely, 2^20067120571 is an apocalyptic number.

20067120571 is a deficient number, since it is larger than the sum of its proper divisors (527819333).

20067120571 is an equidigital number, since it uses as much as digits as its factorization.

20067120571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405401.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 20067120571 its reverse (17502176002), we get a palindrome (37569296573).

The spelling of 20067120571 in words is "twenty billion, sixty-seven million, one hundred twenty thousand, five hundred seventy-one".