2030521554 has 16 divisors (see below), whose sum is σ = 4512270240. Its totient is φ = 676840500.

The previous prime is 2030521553. The next prime is 2030521643. The reversal of 2030521554 is 4551250302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2030521553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18801072 + ... + 18801179.

It is an arithmetic number, because the mean of its divisors is an integer number (282016890).

Almost surely, 2^2030521554 is an apocalyptic number.

2030521554 is an abundant number, since it is smaller than the sum of its proper divisors (2481748686).

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

2030521554 is a wasteful number, since it uses less digits than its factorization.

2030521554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37602262 (or 37602256 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2030521554 is about 45061.3088358516. The cubic root of 2030521554 is about 1266.2978455123.

Adding to 2030521554 its reverse (4551250302), we get a palindrome (6581771856).

The spelling of 2030521554 in words is "two billion, thirty million, five hundred twenty-one thousand, five hundred fifty-four".