20849434414012 has 24 divisors (see below), whose sum is σ = 37672866685440. Its totient is φ = 10085925580080.

The previous prime is 20849434413949. The next prime is 20849434414013. The reversal of 20849434414012 is 21041443494802.

It is a super-3 number, since 3×20849434414012³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20849434414013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20419858 + ... + 21416569.

It is an arithmetic number, because the mean of its divisors is an integer number (1569702778560).

Almost surely, 2^{20849434414012} is an apocalyptic number.

It is an amenable number.

20849434414012 is a deficient number, since it is larger than the sum of its proper divisors (16823432271428).

20849434414012 is a wasteful number, since it uses less digits than its factorization.

20849434414012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41840481 (or 41840479 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 20849434414012 in words is "twenty trillion, eight hundred forty-nine billion, four hundred thirty-four million, four hundred fourteen thousand, twelve".