2021447148 has 48 divisors (see below), whose sum is σ = 5405621760. Its totient is φ = 575938944.

The previous prime is 2021447137. The next prime is 2021447171. The reversal of 2021447148 is 8417441202.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3361 + ... + 63672.

It is an arithmetic number, because the mean of its divisors is an integer number (112617120).

Almost surely, 2^2021447148 is an apocalyptic number.

2021447148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2021447148 is an abundant number, since it is smaller than the sum of its proper divisors (3384174612).

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

2021447148 is a wasteful number, since it uses less digits than its factorization.

2021447148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67406 (or 67404 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2021447148 is about 44960.5065362925. The cubic root of 2021447148 is about 1264.4086656950.

The spelling of 2021447148 in words is "two billion, twenty-one million, four hundred forty-seven thousand, one hundred forty-eight".