1301452020 has 72 divisors (see below), whose sum is σ = 4306629600. Its totient is φ = 315503040.

The previous prime is 1301451997. The next prime is 1301452027. The reversal of 1301452020 is 202541031.

1301452020 is a `hidden beast` number, since 130 + 14 + 520 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1301451984 and 1301452002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301452027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326670 + ... + 330629.

It is an arithmetic number, because the mean of its divisors is an integer number (59814300).

Almost surely, 2^1301452020 is an apocalyptic number.

1301452020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301452020 is an abundant number, since it is smaller than the sum of its proper divisors (3005177580).

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

1301452020 is a wasteful number, since it uses less digits than its factorization.

1301452020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657325 (or 657320 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1301452020 is about 36075.6430296121. The cubic root of 1301452020 is about 1091.7990714321.

Adding to 1301452020 its reverse (202541031), we get a palindrome (1503993051).

The spelling of 1301452020 in words is "one billion, three hundred one million, four hundred fifty-two thousand, twenty".