8020021472732 has 24 divisors (see below), whose sum is σ = 14130453498000. Its totient is φ = 3982753696896.

The previous prime is 8020021472731. The next prime is 8020021472797. The reversal of 8020021472732 is 2372741200208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020021472731) 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, 6391043 + ... + 7542245.

It is an arithmetic number, because the mean of its divisors is an integer number (588768895750).

Almost surely, 2^{8020021472732} is an apocalyptic number.

It is an amenable number.

8020021472732 is a deficient number, since it is larger than the sum of its proper divisors (6110432025268).

8020021472732 is a wasteful number, since it uses less digits than its factorization.

8020021472732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163045 (or 1163043 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 8020021472732 in words is "eight trillion, twenty billion, twenty-one million, four hundred seventy-two thousand, seven hundred thirty-two".