20228082428828 has 12 divisors (see below), whose sum is σ = 35399463169560. Its totient is φ = 10113950094672.

The previous prime is 20228082428821. The next prime is 20228082428839. The reversal of 20228082428828 is 82882428082202.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20228082428821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22279226 + ... + 23169377.

It is an arithmetic number, because the mean of its divisors is an integer number (2949955264130).

Almost surely, 2^{20228082428828} is an apocalyptic number.

It is an amenable number.

20228082428828 is a deficient number, since it is larger than the sum of its proper divisors (15171380740732).

20228082428828 is a wasteful number, since it uses less digits than its factorization.

20228082428828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45559876 (or 45559874 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 56.

The spelling of 20228082428828 in words is "twenty trillion, two hundred twenty-eight billion, eighty-two million, four hundred twenty-eight thousand, eight hundred twenty-eight".