20869488496802 has 32 divisors (see below), whose sum is σ = 34164751261248. Its totient is φ = 9482054400000.

The previous prime is 20869488496777. The next prime is 20869488496849.

20869488496802 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20869488496802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778669802 + ... + 778696602.

It is an arithmetic number, because the mean of its divisors is an integer number (1067648476914).

Almost surely, 2^{20869488496802} is an apocalyptic number.

20869488496802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20869488496802 is a deficient number, since it is larger than the sum of its proper divisors (13295262764446).

20869488496802 is a wasteful number, since it uses less digits than its factorization.

20869488496802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40706.

The product of its (nonzero) digits is 764411904, while the sum is 74.

The spelling of 20869488496802 in words is "twenty trillion, eight hundred sixty-nine billion, four hundred eighty-eight million, four hundred ninety-six thousand, eight hundred two".