20321056613150 has 24 divisors (see below), whose sum is σ = 38719047384864. Its totient is φ = 7930168433600.

The previous prime is 20321056613149. The next prime is 20321056613159. The reversal of 20321056613150 is 5131665012302.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20321056613150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321056613159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4956353222 + ... + 4956357321.

It is an arithmetic number, because the mean of its divisors is an integer number (1613293641036).

Almost surely, 2^{20321056613150} is an apocalyptic number.

20321056613150 is a deficient number, since it is larger than the sum of its proper divisors (18397990771714).

20321056613150 is a wasteful number, since it uses less digits than its factorization.

20321056613150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912710596 (or 9912710591 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 20321056613150 in words is "twenty trillion, three hundred twenty-one billion, fifty-six million, six hundred thirteen thousand, one hundred fifty".