223151020 has 48 divisors (see below), whose sum is σ = 485452800. Its totient is φ = 86074560.

The previous prime is 223151011. The next prime is 223151021. The reversal of 223151020 is 20151322.

It is a super-3 number, since 3×223151020³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223150985 and 223151003.

It is not an unprimeable number, because it can be changed into a prime (223151021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259351 + ... + 260209.

It is an arithmetic number, because the mean of its divisors is an integer number (10113600).

Almost surely, 2^223151020 is an apocalyptic number.

223151020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223151020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242726400).

223151020 is an abundant number, since it is smaller than the sum of its proper divisors (262301780).

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

223151020 is a wasteful number, since it uses less digits than its factorization.

223151020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 223151020 is about 14938.2401908659. The cubic root of 223151020 is about 606.5495601088.

The spelling of 223151020 in words is "two hundred twenty-three million, one hundred fifty-one thousand, twenty".