1045130020 has 48 divisors (see below), whose sum is σ = 2398673088. Its totient is φ = 379352960.

The previous prime is 1045129973. The next prime is 1045130027. The reversal of 1045130020 is 200315401.

It is a junction number, because it is equal to n+sod(n) for n = 1045129976 and 1045130003.

It is not an unprimeable number, because it can be changed into a prime (1045130027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125094 + ... + 133186.

It is an arithmetic number, because the mean of its divisors is an integer number (49972356).

Almost surely, 2^1045130020 is an apocalyptic number.

1045130020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045130020 is an abundant number, since it is smaller than the sum of its proper divisors (1353543068).

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

1045130020 is a wasteful number, since it uses less digits than its factorization.

1045130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700 (or 8698 counting only the distinct ones).

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

The square root of 1045130020 is about 32328.4707340140. The cubic root of 1045130020 is about 1014.8225465697.

Adding to 1045130020 its reverse (200315401), we get a palindrome (1245445421).

The spelling of 1045130020 in words is "one billion, forty-five million, one hundred thirty thousand, twenty".