20538436150 has 24 divisors (see below), whose sum is σ = 39089902104. Its totient is φ = 8024318400.

The previous prime is 20538436129. The next prime is 20538436157. The reversal of 20538436150 is 5163483502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20538436157) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4774231 + ... + 4778530.

It is an arithmetic number, because the mean of its divisors is an integer number (1628745921).

Almost surely, 2^20538436150 is an apocalyptic number.

20538436150 is a deficient number, since it is larger than the sum of its proper divisors (18551465954).

20538436150 is a wasteful number, since it uses less digits than its factorization.

20538436150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552816 (or 9552811 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20538436150 in words is "twenty billion, five hundred thirty-eight million, four hundred thirty-six thousand, one hundred fifty".