20072473755742 has 16 divisors (see below), whose sum is σ = 30114608356800. Its totient is φ = 10034271181440.

The previous prime is 20072473755721. The next prime is 20072473755743. The reversal of 20072473755742 is 24755737427002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20072473755743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 240171642 + ... + 240255202.

It is an arithmetic number, because the mean of its divisors is an integer number (1882163022300).

Almost surely, 2^{20072473755742} is an apocalyptic number.

20072473755742 is a deficient number, since it is larger than the sum of its proper divisors (10042134601058).

20072473755742 is a wasteful number, since it uses less digits than its factorization.

20072473755742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105651.

The product of its (nonzero) digits is 23049600, while the sum is 55.

The spelling of 20072473755742 in words is "twenty trillion, seventy-two billion, four hundred seventy-three million, seven hundred fifty-five thousand, seven hundred forty-two".