867141220 has 24 divisors (see below), whose sum is σ = 1986542208. Its totient is φ = 315324000.

The previous prime is 867141217. The next prime is 867141227. The reversal of 867141220 is 22141768.

It is not an unprimeable number, because it can be changed into a prime (867141227) 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, 1970556 + ... + 1970995.

It is an arithmetic number, because the mean of its divisors is an integer number (82772592).

Almost surely, 2^867141220 is an apocalyptic number.

It is an amenable number.

867141220 is an abundant number, since it is smaller than the sum of its proper divisors (1119400988).

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

867141220 is a wasteful number, since it uses less digits than its factorization.

867141220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941571 (or 3941569 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 867141220 is about 29447.2616723525. The cubic root of 867141220 is about 953.5934888585.

Adding to 867141220 its reverse (22141768), we get a palindrome (889282988).

The spelling of 867141220 in words is "eight hundred sixty-seven million, one hundred forty-one thousand, two hundred twenty".