2820295501 has 4 divisors (see below), whose sum is σ = 2917547100. Its totient is φ = 2723043904.

The previous prime is 2820295459. The next prime is 2820295531. The reversal of 2820295501 is 1055920282.

It is a happy number.

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 515335401 + 2304960100 = 22701^2 + 48010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820295501 - 2¹⁵ = 2820262733 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 (2820295531) 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, 48625756 + ... + 48625813.

It is an arithmetic number, because the mean of its divisors is an integer number (729386775).

Almost surely, 2^2820295501 is an apocalyptic number.

It is an amenable number.

2820295501 is a deficient number, since it is larger than the sum of its proper divisors (97251599).

2820295501 is an equidigital number, since it uses as much as digits as its factorization.

2820295501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97251598.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 2820295501 is about 53106.4544194018. The cubic root of 2820295501 is about 1412.8569908860.

The spelling of 2820295501 in words is "two billion, eight hundred twenty million, two hundred ninety-five thousand, five hundred one".