2020401615 has 16 divisors (see below), whose sum is σ = 3234348000. Its totient is φ = 1076979072.

The previous prime is 2020401611. The next prime is 2020401623. The reversal of 2020401615 is 5161040202.

It is not a de Polignac number, because 2020401615 - 2² = 2020401611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020401591 and 2020401600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020401611) 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, 5320 + ... + 63789.

It is an arithmetic number, because the mean of its divisors is an integer number (202146750).

Almost surely, 2^2020401615 is an apocalyptic number.

2020401615 is a deficient number, since it is larger than the sum of its proper divisors (1213946385).

2020401615 is a wasteful number, since it uses less digits than its factorization.

2020401615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71066.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2020401615 is about 44948.8777946680. The cubic root of 2020401615 is about 1264.1906355954.

Adding to 2020401615 its reverse (5161040202), we get a palindrome (7181441817).

The spelling of 2020401615 in words is "two billion, twenty million, four hundred one thousand, six hundred fifteen".