20550525542 has 8 divisors (see below), whose sum is σ = 30826524000. Its totient is φ = 10275017544.

The previous prime is 20550525511. The next prime is 20550525547. The reversal of 20550525542 is 24552505502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550525547) 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, 11459 + ... + 203057.

It is an arithmetic number, because the mean of its divisors is an integer number (3853315500).

Almost surely, 2^20550525542 is an apocalyptic number.

20550525542 is a deficient number, since it is larger than the sum of its proper divisors (10275998458).

20550525542 is a wasteful number, since it uses less digits than its factorization.

20550525542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245230.

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 20550525542 in words is "twenty billion, five hundred fifty million, five hundred twenty-five thousand, five hundred forty-two".