20424697436084 has 48 divisors (see below), whose sum is σ = 37965122979840. Its totient is φ = 9593732221920.

The previous prime is 20424697436053. The next prime is 20424697436089. The reversal of 20424697436084 is 48063479642402.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424697436089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4000049 + ... + 7539879.

It is an arithmetic number, because the mean of its divisors is an integer number (790940062080).

Almost surely, 2^{20424697436084} is an apocalyptic number.

It is an amenable number.

20424697436084 is a deficient number, since it is larger than the sum of its proper divisors (17540425543756).

20424697436084 is a wasteful number, since it uses less digits than its factorization.

20424697436084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540980 (or 3540978 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 59.

The spelling of 20424697436084 in words is "twenty trillion, four hundred twenty-four billion, six hundred ninety-seven million, four hundred thirty-six thousand, eighty-four".