20802648448284 has 24 divisors (see below), whose sum is σ = 48540342963840. Its totient is φ = 6934097589744.

The previous prime is 20802648448247. The next prime is 20802648448303. The reversal of 20802648448284 is 48284484620802.

It is a happy number.

It is a congruent number.

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, 14087424 + ... + 15493895.

It is an arithmetic number, because the mean of its divisors is an integer number (2022514290160).

Almost surely, 2^{20802648448284} is an apocalyptic number.

It is an amenable number.

20802648448284 is an abundant number, since it is smaller than the sum of its proper divisors (27737694515556).

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

20802648448284 is a wasteful number, since it uses less digits than its factorization.

20802648448284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29639929 (or 29639927 counting only the distinct ones).

The product of its (nonzero) digits is 50331648, while the sum is 60.

The spelling of 20802648448284 in words is "twenty trillion, eight hundred two billion, six hundred forty-eight million, four hundred forty-eight thousand, two hundred eighty-four".