8020953 has 12 divisors (see below), whose sum is σ = 11868948. Its totient is φ = 5216640.

The previous prime is 8020933. The next prime is 8020963. The reversal of 8020953 is 3590208.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 7601049 = 648^2 + 2757^2 .

It is not a de Polignac number, because 8020953 - 2⁵ = 8020921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8020913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10500 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (989079).

Almost surely, 2^8020953 is an apocalyptic number.

It is an amenable number.

8020953 is a deficient number, since it is larger than the sum of its proper divisors (3847995).

8020953 is a wasteful number, since it uses less digits than its factorization.

8020953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21784 (or 21781 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 8020953 is about 2832.1287047025. The cubic root of 8020953 is about 200.1744561144.

The spelling of 8020953 in words is "eight million, twenty thousand, nine hundred fifty-three".