1010143220 has 12 divisors (see below), whose sum is σ = 2121300804. Its totient is φ = 404057280.

The previous prime is 1010143207. The next prime is 1010143231. The reversal of 1010143220 is 223410101.

It can be written as a sum of positive squares in 2 ways, for example, as 228493456 + 781649764 = 15116^2 + 27958^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1010143195 and 1010143204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25253561 + ... + 25253600.

It is an arithmetic number, because the mean of its divisors is an integer number (176775067).

Almost surely, 2^1010143220 is an apocalyptic number.

1010143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010143220 is an abundant number, since it is smaller than the sum of its proper divisors (1111157584).

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

1010143220 is a wasteful number, since it uses less digits than its factorization.

1010143220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50507170 (or 50507168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1010143220 is about 31782.7503529824. The cubic root of 1010143220 is about 1003.3697056628.

Adding to 1010143220 its reverse (223410101), we get a palindrome (1233553321).

The spelling of 1010143220 in words is "one billion, ten million, one hundred forty-three thousand, two hundred twenty".