20729460190683 has 4 divisors (see below), whose sum is σ = 27639280254248. Its totient is φ = 13819640127120.

The previous prime is 20729460190679. The next prime is 20729460190799. The reversal of 20729460190683 is 38609106492702.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20729460190683 - 2² = 20729460190679 is a prime.

It is a super-2 number, since 2×20729460190683² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20729460190613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3454910031778 + ... + 3454910031783.

It is an arithmetic number, because the mean of its divisors is an integer number (6909820063562).

Almost surely, 2^{20729460190683} is an apocalyptic number.

20729460190683 is a deficient number, since it is larger than the sum of its proper divisors (6909820063565).

20729460190683 is an equidigital number, since it uses as much as digits as its factorization.

20729460190683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6909820063564.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 20729460190683 in words is "twenty trillion, seven hundred twenty-nine billion, four hundred sixty million, one hundred ninety thousand, six hundred eighty-three".