20193927466573 has 16 divisors (see below), whose sum is σ = 24438647600640. Its totient is φ = 16289367204096.

The previous prime is 20193927466567. The next prime is 20193927466591. The reversal of 20193927466573 is 37566472939102.

It is a de Polignac number, because none of the positive numbers 2^k-20193927466573 is a prime.

It is a super-2 number, since 2×20193927466573² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20193927466513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709186 + ... + 9241267.

It is an arithmetic number, because the mean of its divisors is an integer number (1527415475040).

Almost surely, 2^{20193927466573} is an apocalyptic number.

It is an amenable number.

20193927466573 is a deficient number, since it is larger than the sum of its proper divisors (4244720134067).

20193927466573 is a wasteful number, since it uses less digits than its factorization.

20193927466573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15961116.

The product of its (nonzero) digits is 102876480, while the sum is 64.

The spelling of 20193927466573 in words is "twenty trillion, one hundred ninety-three billion, nine hundred twenty-seven million, four hundred sixty-six thousand, five hundred seventy-three".