2000552421 has 16 divisors (see below), whose sum is σ = 3053502464. Its totient is φ = 1141282224.

The previous prime is 2000552383. The next prime is 2000552423. The reversal of 2000552421 is 1242550002.

It is a happy number.

It is not a de Polignac number, because 2000552421 - 2⁷ = 2000552293 is a prime.

It is a super-2 number, since 2×2000552421² = 8004419978337922482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000552423) 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 15 ways as a sum of consecutive naturals, for example, 65725 + ... + 91218.

It is an arithmetic number, because the mean of its divisors is an integer number (190843904).

Almost surely, 2^2000552421 is an apocalyptic number.

2000552421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2000552421 is a deficient number, since it is larger than the sum of its proper divisors (1052950043).

2000552421 is a wasteful number, since it uses less digits than its factorization.

2000552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157560.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2000552421 is about 44727.5353781091. The cubic root of 2000552421 is about 1260.0370403573.

The spelling of 2000552421 in words is "two billion, five hundred fifty-two thousand, four hundred twenty-one".