20524925542 has 8 divisors (see below), whose sum is σ = 33586241832. Its totient is φ = 9329511600.

The previous prime is 20524925539. The next prime is 20524925543. The reversal of 20524925542 is 24552942502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20524925495 and 20524925504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524925543) 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, 466475559 + ... + 466475602.

It is an arithmetic number, because the mean of its divisors is an integer number (4198280229).

Almost surely, 2^20524925542 is an apocalyptic number.

20524925542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20524925542 is a deficient number, since it is larger than the sum of its proper divisors (13061316290).

20524925542 is a wasteful number, since it uses less digits than its factorization.

20524925542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932951174.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 20524925542 in words is "twenty billion, five hundred twenty-four million, nine hundred twenty-five thousand, five hundred forty-two".