20305626492480 has 896 divisors, whose sum is σ = 78443925700608. Its totient is φ = 4349648928768.

The previous prime is 20305626492479. The next prime is 20305626492527. The reversal of 20305626492480 is 8429462650302.

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 127 ways as a sum of consecutive naturals, for example, 8298170617 + ... + 8298173063.

Almost surely, 2^{20305626492480} is an apocalyptic number.

20305626492480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20305626492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39221962850304).

20305626492480 is an abundant number, since it is smaller than the sum of its proper divisors (58138299208128).

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

20305626492480 is a wasteful number, since it uses less digits than its factorization.

20305626492480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 20305626492480 in words is "twenty trillion, three hundred five billion, six hundred twenty-six million, four hundred ninety-two thousand, four hundred eighty".