20020553034520 has 32 divisors (see below), whose sum is σ = 46263710394000. Its totient is φ = 7791782802048.

The previous prime is 20020553034497. The next prime is 20020553034551. The reversal of 20020553034520 is 2543035502002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6763698870 + ... + 6763701829.

Almost surely, 2^{20020553034520} is an apocalyptic number.

20020553034520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020553034520 is an abundant number, since it is smaller than the sum of its proper divisors (26243157359480).

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

20020553034520 is a wasteful number, since it uses less digits than its factorization.

20020553034520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13527400747 (or 13527400743 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 20020553034520 its reverse (2543035502002), we get a palindrome (22563588536522).

The spelling of 20020553034520 in words is "twenty trillion, twenty billion, five hundred fifty-three million, thirty-four thousand, five hundred twenty".