20540055692 has 12 divisors (see below), whose sum is σ = 38710105056. Its totient is φ = 9480025680.

The previous prime is 20540055629. The next prime is 20540055737. The reversal of 20540055692 is 29655004502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197500484 + ... + 197500587.

It is an arithmetic number, because the mean of its divisors is an integer number (3225842088).

Almost surely, 2^20540055692 is an apocalyptic number.

It is an amenable number.

20540055692 is a deficient number, since it is larger than the sum of its proper divisors (18170049364).

20540055692 is a wasteful number, since it uses less digits than its factorization.

20540055692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395001088 (or 395001086 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 20540055692 in words is "twenty billion, five hundred forty million, fifty-five thousand, six hundred ninety-two".