20842037105 has 8 divisors (see below), whose sum is σ = 25027833600. Its totient is φ = 16662036976.

The previous prime is 20842037101. The next prime is 20842037113. The reversal of 20842037105 is 50173024802.

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 20842037105 - 2² = 20842037101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20842037101) 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, 1441175 + ... + 1455564.

It is an arithmetic number, because the mean of its divisors is an integer number (3128479200).

Almost surely, 2^20842037105 is an apocalyptic number.

It is an amenable number.

20842037105 is a deficient number, since it is larger than the sum of its proper divisors (4185796495).

20842037105 is a wasteful number, since it uses less digits than its factorization.

20842037105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898183.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 20842037105 in words is "twenty billion, eight hundred forty-two million, thirty-seven thousand, one hundred five".