2920066885 has 4 divisors (see below), whose sum is σ = 3504080268. Its totient is φ = 2336053504.

The previous prime is 2920066883. The next prime is 2920066921. The reversal of 2920066885 is 5886600292.

2920066885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1318706596 + 1601360289 = 36314^2 + 40017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920066885 - 2¹ = 2920066883 is a prime.

It is a super-2 number, since 2×2920066885² = 17053581225747206450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920066883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292006684 + ... + 292006693.

It is an arithmetic number, because the mean of its divisors is an integer number (876020067).

Almost surely, 2^2920066885 is an apocalyptic number.

It is an amenable number.

2920066885 is a deficient number, since it is larger than the sum of its proper divisors (584013383).

2920066885 is an equidigital number, since it uses as much as digits as its factorization.

2920066885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584013382.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2920066885 is about 54037.6432221095. The cubic root of 2920066885 is about 1429.3248128829.

The spelling of 2920066885 in words is "two billion, nine hundred twenty million, sixty-six thousand, eight hundred eighty-five".