2021550332 has 24 divisors (see below), whose sum is σ = 3552897600. Its totient is φ = 1006447680.

The previous prime is 2021550319. The next prime is 2021550337. The reversal of 2021550332 is 2330551202.

It is a junction number, because it is equal to n+sod(n) for n = 2021550298 and 2021550307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021550337) 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 7 ways as a sum of consecutive naturals, for example, 1304294 + ... + 1305842.

It is an arithmetic number, because the mean of its divisors is an integer number (148037400).

Almost surely, 2^2021550332 is an apocalyptic number.

It is an amenable number.

2021550332 is a deficient number, since it is larger than the sum of its proper divisors (1531347268).

2021550332 is a wasteful number, since it uses less digits than its factorization.

2021550332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2021550332 is about 44961.6540176182. The cubic root of 2021550332 is about 1264.4301790819.

The spelling of 2021550332 in words is "two billion, twenty-one million, five hundred fifty thousand, three hundred thirty-two".