20205016500702 has 64 divisors (see below), whose sum is σ = 45336893865984. Its totient is φ = 5949125274240.

The previous prime is 20205016500677. The next prime is 20205016500733. The reversal of 20205016500702 is 20700561050202.

It is a self number, because there is not a number n which added to its sum of digits gives 20205016500702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3853918 + ... + 7433889.

It is an arithmetic number, because the mean of its divisors is an integer number (708388966656).

Almost surely, 2^{20205016500702} is an apocalyptic number.

20205016500702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20205016500702 is an abundant number, since it is smaller than the sum of its proper divisors (25131877365282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20205016500702 is a wasteful number, since it uses less digits than its factorization.

20205016500702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288593.

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 20205016500702 its reverse (20700561050202), we get a palindrome (40905577550904).

The spelling of 20205016500702 in words is "twenty trillion, two hundred five billion, sixteen million, five hundred thousand, seven hundred two".