20524541004 has 144 divisors (see below), whose sum is σ = 59268029184. Its totient is φ = 5928067200.

The previous prime is 20524540979. The next prime is 20524541033. The reversal of 20524541004 is 40014542502.

20524541004 is a `hidden beast` number, since 2 + 0 + 5 + 245 + 410 + 0 + 4 = 666.

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 47 ways as a sum of consecutive naturals, for example, 2664799 + ... + 2672489.

It is an arithmetic number, because the mean of its divisors is an integer number (411583536).

Almost surely, 2^20524541004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20524541004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29634014592).

20524541004 is an abundant number, since it is smaller than the sum of its proper divisors (38743488180).

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

20524541004 is a wasteful number, since it uses less digits than its factorization.

20524541004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028 (or 8023 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 20524541004 in words is "twenty billion, five hundred twenty-four million, five hundred forty-one thousand, four".