20016536502460 has 24 divisors (see below), whose sum is σ = 42209144618256. Its totient is φ = 7973392131840.

The previous prime is 20016536502419. The next prime is 20016536502467. The reversal of 20016536502460 is 6420563561002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016536502467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076399382 + ... + 2076409021.

It is an arithmetic number, because the mean of its divisors is an integer number (1758714359094).

Almost surely, 2^{20016536502460} is an apocalyptic number.

20016536502460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20016536502460 is an abundant number, since it is smaller than the sum of its proper divisors (22192608115796).

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

20016536502460 is a wasteful number, since it uses less digits than its factorization.

20016536502460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152808653 (or 4152808651 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 20016536502460 in words is "twenty trillion, sixteen billion, five hundred thirty-six million, five hundred two thousand, four hundred sixty".