881651020 has 48 divisors (see below), whose sum is σ = 1887859008. Its totient is φ = 345784320.

The previous prime is 881651009. The next prime is 881651021. The reversal of 881651020 is 20156188.

881651020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (881651021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272452 + ... + 275668.

It is an arithmetic number, because the mean of its divisors is an integer number (39330396).

Almost surely, 2^881651020 is an apocalyptic number.

It is an amenable number.

881651020 is an abundant number, since it is smaller than the sum of its proper divisors (1006207988).

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

881651020 is a wasteful number, since it uses less digits than its factorization.

881651020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 881651020 is about 29692.6088446266. The cubic root of 881651020 is about 958.8828947383.

The spelling of 881651020 in words is "eight hundred eighty-one million, six hundred fifty-one thousand, twenty".