20000985505376 has 24 divisors (see below), whose sum is σ = 39377071382544. Its totient is φ = 10000459440000.

The previous prime is 20000985505339. The next prime is 20000985505379. The reversal of 20000985505376 is 67350558900002.

It is a super-2 number, since 2×20000985505376² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000985505379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10780886 + ... + 12499178.

It is an arithmetic number, because the mean of its divisors is an integer number (1640711307606).

Almost surely, 2^{20000985505376} is an apocalyptic number.

It is an amenable number.

20000985505376 is a deficient number, since it is larger than the sum of its proper divisors (19376085877168).

20000985505376 is a wasteful number, since it uses less digits than its factorization.

20000985505376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082054 (or 2082046 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 20000985505376 in words is "twenty trillion, nine hundred eighty-five million, five hundred five thousand, three hundred seventy-six".