20844521470412 has 24 divisors (see below), whose sum is σ = 37735952178960. Its totient is φ = 10062824287040.

The previous prime is 20844521470387. The next prime is 20844521470501. The reversal of 20844521470412 is 21407412544802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41326862 + ... + 41828202.

It is an arithmetic number, because the mean of its divisors is an integer number (1572331340790).

Almost surely, 2^{20844521470412} is an apocalyptic number.

It is an amenable number.

20844521470412 is a deficient number, since it is larger than the sum of its proper divisors (16891430708548).

20844521470412 is a wasteful number, since it uses less digits than its factorization.

20844521470412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859801 (or 859799 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 44.

The spelling of 20844521470412 in words is "twenty trillion, eight hundred forty-four billion, five hundred twenty-one million, four hundred seventy thousand, four hundred twelve".