20020523120 has 40 divisors (see below), whose sum is σ = 50128312416. Its totient is φ = 7392192768.

The previous prime is 20020523111. The next prime is 20020523141. The reversal of 20020523120 is 2132502002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9624212 + ... + 9626291.

Almost surely, 2^20020523120 is an apocalyptic number.

20020523120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020523120 is an abundant number, since it is smaller than the sum of its proper divisors (30107789296).

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

20020523120 is a wasteful number, since it uses less digits than its factorization.

20020523120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250529 (or 19250523 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The spelling of 20020523120 in words is "twenty billion, twenty million, five hundred twenty-three thousand, one hundred twenty".