20614136004 has 288 divisors, whose sum is σ = 67490841600. Its totient is φ = 5147815680.

The previous prime is 20614135987. The next prime is 20614136017. The reversal of 20614136004 is 40063141602.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27894267 + ... + 27895005.

It is an arithmetic number, because the mean of its divisors is an integer number (234343200).

Almost surely, 2^20614136004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20614136004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33745420800).

20614136004 is an abundant number, since it is smaller than the sum of its proper divisors (46876705596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20614136004 is a wasteful number, since it uses less digits than its factorization.

20614136004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20614136004 its reverse (40063141602), we get a palindrome (60677277606).

The spelling of 20614136004 in words is "twenty billion, six hundred fourteen million, one hundred thirty-six thousand, four".