220931248 has 40 divisors (see below), whose sum is σ = 439824528. Its totient is φ = 107450112.

The previous prime is 220931239. The next prime is 220931273. The reversal of 220931248 is 842139022.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217590 + ... + 218602.

Almost surely, 2^220931248 is an apocalyptic number.

It is an amenable number.

220931248 is a deficient number, since it is larger than the sum of its proper divisors (218893280).

220931248 is a wasteful number, since it uses less digits than its factorization.

220931248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 220931248 is about 14863.7561874514. The cubic root of 220931248 is about 604.5316576667.

The spelling of 220931248 in words is "two hundred twenty million, nine hundred thirty-one thousand, two hundred forty-eight".