20200095550 has 48 divisors (see below), whose sum is σ = 37807401600. Its totient is φ = 8029576800.

The previous prime is 20200095533. The next prime is 20200095563. The reversal of 20200095550 is 5559000202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10749511 + ... + 10751389.

It is an arithmetic number, because the mean of its divisors is an integer number (787654200).

Almost surely, 2^20200095550 is an apocalyptic number.

20200095550 is a deficient number, since it is larger than the sum of its proper divisors (17607306050).

20200095550 is a wasteful number, since it uses less digits than its factorization.

20200095550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 20200095550 its reverse (5559000202), we get a palindrome (25759095752).

The spelling of 20200095550 in words is "twenty billion, two hundred million, ninety-five thousand, five hundred fifty".