20802111120802 has 32 divisors (see below), whose sum is σ = 34875603000000. Its totient is φ = 9223415961600.

The previous prime is 20802111120799. The next prime is 20802111120823.

20802111120802 is nontrivially palindromic in base 10.

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, 3851074 + ... + 7512322.

It is an arithmetic number, because the mean of its divisors is an integer number (1089862593750).

Almost surely, 2^{20802111120802} is an apocalyptic number.

20802111120802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20802111120802 is a deficient number, since it is larger than the sum of its proper divisors (14073491879198).

20802111120802 is a wasteful number, since it uses less digits than its factorization.

20802111120802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667602.

The product of its (nonzero) digits is 1024, while the sum is 28.

The spelling of 20802111120802 in words is "twenty trillion, eight hundred two billion, one hundred eleven million, one hundred twenty thousand, eight hundred two".