20010524520 has 64 divisors (see below), whose sum is σ = 68607515520. Its totient is φ = 4573833984.

The previous prime is 20010524473. The next prime is 20010524533. The reversal of 20010524520 is 2542501002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11910187 + ... + 11911866.

It is an arithmetic number, because the mean of its divisors is an integer number (1071992430).

Almost surely, 2^20010524520 is an apocalyptic number.

20010524520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010524520 is an abundant number, since it is smaller than the sum of its proper divisors (48596991000).

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

20010524520 is a wasteful number, since it uses less digits than its factorization.

20010524520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822074 (or 23822070 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The spelling of 20010524520 in words is "twenty billion, ten million, five hundred twenty-four thousand, five hundred twenty".