2020515064 has 16 divisors (see below), whose sum is σ = 3789747000. Its totient is φ = 1009915872.

The previous prime is 2020515061. The next prime is 2020515067. The reversal of 2020515064 is 4605150202.

It is an interprime number because it is at equal distance from previous prime (2020515061) and next prime (2020515067).

It is a super-2 number, since 2×2020515064² = 8164962247701848192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020515061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16639 + ... + 65710.

Almost surely, 2^2020515064 is an apocalyptic number.

It is an amenable number.

2020515064 is a deficient number, since it is larger than the sum of its proper divisors (1769231936).

2020515064 is a wasteful number, since it uses less digits than its factorization.

2020515064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85422 (or 85418 counting only the distinct ones).

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

The square root of 2020515064 is about 44950.1397550664. The cubic root of 2020515064 is about 1264.2142973066.

Adding to 2020515064 its reverse (4605150202), we get a palindrome (6625665266).

The spelling of 2020515064 in words is "two billion, twenty million, five hundred fifteen thousand, sixty-four".