2775525020 has 24 divisors (see below), whose sum is σ = 5888695344. Its totient is φ = 1098763776.

The previous prime is 2775525013. The next prime is 2775525029. The reversal of 2775525020 is 205255772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775525029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713402 + ... + 717281.

It is an arithmetic number, because the mean of its divisors is an integer number (245362306).

Almost surely, 2^2775525020 is an apocalyptic number.

2775525020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2775525020 is an abundant number, since it is smaller than the sum of its proper divisors (3113170324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2775525020 is a wasteful number, since it uses less digits than its factorization.

2775525020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430789 (or 1430787 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 2775525020 is about 52683.2517978911. The cubic root of 2775525020 is about 1405.3409961622.

The spelling of 2775525020 in words is "two billion, seven hundred seventy-five million, five hundred twenty-five thousand, twenty".