20542071376 has 40 divisors (see below), whose sum is σ = 40013550080. Its totient is φ = 10216077696.

The previous prime is 20542071313. The next prime is 20542071377. The reversal of 20542071376 is 67317024502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20542071377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6360130 + ... + 6363358.

It is an arithmetic number, because the mean of its divisors is an integer number (1000338752).

Almost surely, 2^20542071376 is an apocalyptic number.

It is an amenable number.

20542071376 is a deficient number, since it is larger than the sum of its proper divisors (19471478704).

20542071376 is a wasteful number, since it uses less digits than its factorization.

20542071376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 20542071376 its reverse (67317024502), we get a palindrome (87859095878).

The spelling of 20542071376 in words is "twenty billion, five hundred forty-two million, seventy-one thousand, three hundred seventy-six".