1513454020 has 24 divisors (see below), whose sum is σ = 3422735064. Its totient is φ = 558813696.

The previous prime is 1513454011. The next prime is 1513454021. The reversal of 1513454020 is 204543151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 1506526596 = 2632^2 + 38814^2 .

It is not an unprimeable number, because it can be changed into a prime (1513454021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910229 + ... + 2910748.

It is an arithmetic number, because the mean of its divisors is an integer number (142613961).

Almost surely, 2^1513454020 is an apocalyptic number.

1513454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513454020 is an abundant number, since it is smaller than the sum of its proper divisors (1909281044).

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

1513454020 is a wasteful number, since it uses less digits than its factorization.

1513454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820999 (or 5820997 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1513454020 is about 38903.1363774182. The cubic root of 1513454020 is about 1148.1265071609.

Adding to 1513454020 its reverse (204543151), we get a palindrome (1717997171).

The spelling of 1513454020 in words is "one billion, five hundred thirteen million, four hundred fifty-four thousand, twenty".