3020533861 has 4 divisors (see below), whose sum is σ = 3020704192. Its totient is φ = 3020363532.

The previous prime is 3020533853. The next prime is 3020533877. The reversal of 3020533861 is 1683350203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3020533861 - 2³ = 3020533853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020533891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55005 + ... + 95218.

It is an arithmetic number, because the mean of its divisors is an integer number (755176048).

Almost surely, 2^3020533861 is an apocalyptic number.

It is an amenable number.

3020533861 is a deficient number, since it is larger than the sum of its proper divisors (170331).

3020533861 is a wasteful number, since it uses less digits than its factorization.

3020533861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170330.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3020533861 is about 54959.3837392669. The cubic root of 3020533861 is about 1445.5326414482.

The spelling of 3020533861 in words is "three billion, twenty million, five hundred thirty-three thousand, eight hundred sixty-one".