2020201520 has 40 divisors (see below), whose sum is σ = 4701957984. Its totient is φ = 807222272.

The previous prime is 2020201499. The next prime is 2020201523. The reversal of 2020201520 is 251020202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2020201495 and 2020201504.

It is not an unprimeable number, because it can be changed into a prime (2020201523) 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, 65237 + ... + 91083.

Almost surely, 2^2020201520 is an apocalyptic number.

2020201520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020201520 is an abundant number, since it is smaller than the sum of its proper divisors (2681756464).

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

2020201520 is a wasteful number, since it uses less digits than its factorization.

2020201520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26837 (or 26831 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2020201520 is about 44946.6519331529. The cubic root of 2020201520 is about 1264.1489002337.

Adding to 2020201520 its reverse (251020202), we get a palindrome (2271221722).

The spelling of 2020201520 in words is "two billion, twenty million, two hundred one thousand, five hundred twenty".