20407303024 has 10 divisors (see below), whose sum is σ = 39539149640. Its totient is φ = 10203651504.

The previous prime is 20407302991. The next prime is 20407303027. The reversal of 20407303024 is 42030370402.

It is a self number, because there is not a number n which added to its sum of digits gives 20407303024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20407303027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637728204 + ... + 637728235.

It is an arithmetic number, because the mean of its divisors is an integer number (3953914964).

Almost surely, 2^20407303024 is an apocalyptic number.

It is an amenable number.

20407303024 is a deficient number, since it is larger than the sum of its proper divisors (19131846616).

20407303024 is a wasteful number, since it uses less digits than its factorization.

20407303024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275456447 (or 1275456441 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 20407303024 its reverse (42030370402), we get a palindrome (62437673426).

The spelling of 20407303024 in words is "twenty billion, four hundred seven million, three hundred three thousand, twenty-four".