1351035020 has 24 divisors (see below), whose sum is σ = 2913855504. Its totient is φ = 525807936.

The previous prime is 1351034989. The next prime is 1351035029. The reversal of 1351035020 is 205301531.

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 = 1351034983 and 1351035001.

It is not an unprimeable number, because it can be changed into a prime (1351035029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912122 + ... + 913601.

It is an arithmetic number, because the mean of its divisors is an integer number (121410646).

Almost surely, 2^1351035020 is an apocalyptic number.

1351035020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351035020 is an abundant number, since it is smaller than the sum of its proper divisors (1562820484).

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

1351035020 is a wasteful number, since it uses less digits than its factorization.

1351035020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825769 (or 1825767 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1351035020 is about 36756.4282813224. The cubic root of 1351035020 is about 1105.4918253130.

Adding to 1351035020 its reverse (205301531), we get a palindrome (1556336551).

The spelling of 1351035020 in words is "one billion, three hundred fifty-one million, thirty-five thousand, twenty".