20862071069 has 8 divisors (see below), whose sum is σ = 24664517760. Its totient is φ = 17265162096.

The previous prime is 20862071017. The next prime is 20862071093. The reversal of 20862071069 is 96017026802.

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

It is not a de Polignac number, because 20862071069 - 2¹⁶ = 20862005533 is a prime.

It is a super-2 number, since 2×20862071069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20862071569) 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, 51384209 + ... + 51384614.

It is an arithmetic number, because the mean of its divisors is an integer number (3083064720).

Almost surely, 2^20862071069 is an apocalyptic number.

20862071069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20862071069 is a deficient number, since it is larger than the sum of its proper divisors (3802446691).

20862071069 is a wasteful number, since it uses less digits than its factorization.

20862071069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102768859.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 20862071069 in words is "twenty billion, eight hundred sixty-two million, seventy-one thousand, sixty-nine".