20424020884028 has 24 divisors (see below), whose sum is σ = 36353363046000. Its totient is φ = 10037398387968.

The previous prime is 20424020884027. The next prime is 20424020884031. The reversal of 20424020884028 is 82048802042402.

It is a self number, because there is not a number n which added to its sum of digits gives 20424020884028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424020884027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027003 + ... + 8131346.

It is an arithmetic number, because the mean of its divisors is an integer number (1514723460250).

Almost surely, 2^{20424020884028} is an apocalyptic number.

It is an amenable number.

20424020884028 is a deficient number, since it is larger than the sum of its proper divisors (15929342161972).

20424020884028 is a wasteful number, since it uses less digits than its factorization.

20424020884028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164989 (or 13164987 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 20424020884028 in words is "twenty trillion, four hundred twenty-four billion, twenty million, eight hundred eighty-four thousand, twenty-eight".