2075547420 has 72 divisors (see below), whose sum is σ = 6320465424. Its totient is φ = 551313408.

The previous prime is 2075547413. The next prime is 2075547421. The reversal of 2075547420 is 247455702.

It is a happy number.

2075547420 is a `hidden beast` number, since 2 + 0 + 75 + 547 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2075547421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23827 + ... + 68693.

It is an arithmetic number, because the mean of its divisors is an integer number (87784242).

Almost surely, 2^2075547420 is an apocalyptic number.

2075547420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2075547420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160232712).

2075547420 is an abundant number, since it is smaller than the sum of its proper divisors (4244918004).

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

2075547420 is a wasteful number, since it uses less digits than its factorization.

2075547420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45139 (or 45134 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 2075547420 is about 45558.1762145940. The cubic root of 2075547420 is about 1275.5893561384.

The spelling of 2075547420 in words is "two billion, seventy-five million, five hundred forty-seven thousand, four hundred twenty".