1012230220 has 24 divisors (see below), whose sum is σ = 2127006000. Its totient is φ = 404640192.

The previous prime is 1012230217. The next prime is 1012230221. The reversal of 1012230220 is 220322101.

It is a super-2 number, since 2×1012230220² = 2049220036562496800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012230220.

It is not an unprimeable number, because it can be changed into a prime (1012230221) 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, 19086 + ... + 48874.

It is an arithmetic number, because the mean of its divisors is an integer number (88625250).

Almost surely, 2^1012230220 is an apocalyptic number.

1012230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012230220 is an abundant number, since it is smaller than the sum of its proper divisors (1114775780).

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

1012230220 is a wasteful number, since it uses less digits than its factorization.

1012230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497 (or 31495 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012230220 is about 31815.5656872544. The cubic root of 1012230220 is about 1004.0602322028.

Adding to 1012230220 its reverse (220322101), we get a palindrome (1232552321).

The spelling of 1012230220 in words is "one billion, twelve million, two hundred thirty thousand, two hundred twenty".