20069105637 has 8 divisors (see below), whose sum is σ = 30581494336. Its totient is φ = 11468060352.

The previous prime is 20069105633. The next prime is 20069105671. The reversal of 20069105637 is 73650196002.

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

It is not a de Polignac number, because 20069105637 - 2² = 20069105633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20069105595 and 20069105604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20069105633) 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, 477835828 + ... + 477835869.

It is an arithmetic number, because the mean of its divisors is an integer number (3822686792).

Almost surely, 2^20069105637 is an apocalyptic number.

It is an amenable number.

20069105637 is a deficient number, since it is larger than the sum of its proper divisors (10512388699).

20069105637 is an equidigital number, since it uses as much as digits as its factorization.

20069105637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955671707.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 20069105637 in words is "twenty billion, sixty-nine million, one hundred five thousand, six hundred thirty-seven".