7801020332021 has 8 divisors (see below), whose sum is σ = 8915491441920. Its totient is φ = 6686559130608.

The previous prime is 7801020331933. The next prime is 7801020332041. The reversal of 7801020332021 is 1202330201087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7801020332021 - 2³⁰ = 7799946590197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7801020332041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 705566 + ... + 4012463.

It is an arithmetic number, because the mean of its divisors is an integer number (1114436430240).

Almost surely, 2^{7801020332021} is an apocalyptic number.

It is an amenable number.

7801020332021 is a deficient number, since it is larger than the sum of its proper divisors (1114471109899).

7801020332021 is a wasteful number, since it uses less digits than its factorization.

7801020332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954243.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 7801020332021 in words is "seven trillion, eight hundred one billion, twenty million, three hundred thirty-two thousand, twenty-one".