20105316002 has 16 divisors (see below), whose sum is σ = 31473273600. Its totient is φ = 9614338272.

The previous prime is 20105315987. The next prime is 20105316017. The reversal of 20105316002 is 20061350102.

It is an interprime number because it is at equal distance from previous prime (20105315987) and next prime (20105316017).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399398 + ... + 446910.

It is an arithmetic number, because the mean of its divisors is an integer number (1967079600).

Almost surely, 2^20105316002 is an apocalyptic number.

20105316002 is a deficient number, since it is larger than the sum of its proper divisors (11367957598).

20105316002 is a wasteful number, since it uses less digits than its factorization.

20105316002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20105316002 its reverse (20061350102), we get a palindrome (40166666104).

The spelling of 20105316002 in words is "twenty billion, one hundred five million, three hundred sixteen thousand, two".