20514024436 has 24 divisors (see below), whose sum is σ = 36279806976. Its totient is φ = 10148424960.

The previous prime is 20514024383. The next prime is 20514024439. The reversal of 20514024436 is 63442041502.

It is a junction number, because it is equal to n+sod(n) for n = 20514024398 and 20514024407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514024439) 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, 2318541 + ... + 2327371.

It is an arithmetic number, because the mean of its divisors is an integer number (1511658624).

Almost surely, 2^20514024436 is an apocalyptic number.

It is an amenable number.

20514024436 is a deficient number, since it is larger than the sum of its proper divisors (15765782540).

20514024436 is a wasteful number, since it uses less digits than its factorization.

20514024436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14919 (or 14917 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20514024436 its reverse (63442041502), we get a palindrome (83956065938).

The spelling of 20514024436 in words is "twenty billion, five hundred fourteen million, twenty-four thousand, four hundred thirty-six".