1012275020 has 24 divisors (see below), whose sum is σ = 2127325200. Its totient is φ = 404615232.

The previous prime is 1012275001. The next prime is 1012275031. The reversal of 1012275020 is 205722101.

1012275020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012275020² = 2049401432232000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1012274983 and 1012275001.

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, 10871 + ... + 46289.

It is an arithmetic number, because the mean of its divisors is an integer number (88638550).

Almost surely, 2^1012275020 is an apocalyptic number.

1012275020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012275020 is an abundant number, since it is smaller than the sum of its proper divisors (1115050180).

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

1012275020 is a wasteful number, since it uses less digits than its factorization.

1012275020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36857 (or 36855 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1012275020 is about 31816.2697373529. The cubic root of 1012275020 is about 1004.0750447866.

Adding to 1012275020 its reverse (205722101), we get a palindrome (1217997121).

The spelling of 1012275020 in words is "one billion, twelve million, two hundred seventy-five thousand, twenty".