20536526358380 has 12 divisors (see below), whose sum is σ = 43126705352640. Its totient is φ = 8214610543344.

The previous prime is 20536526358331. The next prime is 20536526358419. The reversal of 20536526358380 is 8385362563502.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513413158940 + ... + 513413158979.

It is an arithmetic number, because the mean of its divisors is an integer number (3593892112720).

Almost surely, 2^{20536526358380} is an apocalyptic number.

20536526358380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20536526358380 is an abundant number, since it is smaller than the sum of its proper divisors (22590178994260).

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

20536526358380 is a wasteful number, since it uses less digits than its factorization.

20536526358380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026826317928 (or 1026826317926 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 20536526358380 in words is "twenty trillion, five hundred thirty-six billion, five hundred twenty-six million, three hundred fifty-eight thousand, three hundred eighty".