20610146749043 has 2 divisors, whose sum is σ = 20610146749044. Its totient is φ = 20610146749042.

The previous prime is 20610146748899. The next prime is 20610146749051. The reversal of 20610146749043 is 34094764101602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20610146749043 - 2²⁶ = 20610079640179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20610146749063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10305073374521 + 10305073374522.

It is an arithmetic number, because the mean of its divisors is an integer number (10305073374522).

Almost surely, 2^{20610146749043} is an apocalyptic number.

20610146749043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20610146749043 is an equidigital number, since it uses as much as digits as its factorization.

20610146749043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 20610146749043 in words is "twenty trillion, six hundred ten billion, one hundred forty-six million, seven hundred forty-nine thousand, forty-three".