20605242524 has 12 divisors (see below), whose sum is σ = 36061637304. Its totient is φ = 10301917584.

The previous prime is 20605242523. The next prime is 20605242529. The reversal of 20605242524 is 42524250602.

It is a super-3 number, since 3×20605242524³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20605242523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107039 + ... + 229494.

It is an arithmetic number, because the mean of its divisors is an integer number (3005136442).

Almost surely, 2^20605242524 is an apocalyptic number.

It is an amenable number.

20605242524 is a deficient number, since it is larger than the sum of its proper divisors (15456394780).

20605242524 is a wasteful number, since it uses less digits than its factorization.

20605242524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351844 (or 351842 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 20605242524 in words is "twenty billion, six hundred five million, two hundred forty-two thousand, five hundred twenty-four".