2063654520 has 64 divisors (see below), whose sum is σ = 6275797920. Its totient is φ = 542767104.

The previous prime is 2063654519. The next prime is 2063654557. The reversal of 2063654520 is 254563602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109029 + ... + 126548.

Almost surely, 2^2063654520 is an apocalyptic number.

2063654520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063654520 is an abundant number, since it is smaller than the sum of its proper divisors (4212143400).

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

2063654520 is a wasteful number, since it uses less digits than its factorization.

2063654520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235664 (or 235660 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2063654520 is about 45427.4643800422. The cubic root of 2063654520 is about 1273.1483093885.

The spelling of 2063654520 in words is "two billion, sixty-three million, six hundred fifty-four thousand, five hundred twenty".