1010023220 has 12 divisors (see below), whose sum is σ = 2121048804. Its totient is φ = 404009280.

The previous prime is 1010023213. The next prime is 1010023237. The reversal of 1010023220 is 223200101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 704053156 + 305970064 = 26534^2 + 17492^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25250561 + ... + 25250600.

It is an arithmetic number, because the mean of its divisors is an integer number (176754067).

Almost surely, 2^1010023220 is an apocalyptic number.

1010023220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010023220 is an abundant number, since it is smaller than the sum of its proper divisors (1111025584).

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

1010023220 is a wasteful number, since it uses less digits than its factorization.

1010023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50501170 (or 50501168 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1010023220 is about 31780.8624804299. The cubic root of 1010023220 is about 1003.3299723094.

Adding to 1010023220 its reverse (223200101), we get a palindrome (1233223321).

The spelling of 1010023220 in words is "one billion, ten million, twenty-three thousand, two hundred twenty".