20101455320043 has 4 divisors (see below), whose sum is σ = 26801940426728. Its totient is φ = 13400970213360.

The previous prime is 20101455320021. The next prime is 20101455320087. The reversal of 20101455320043 is 34002355410102.

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

It is not a de Polignac number, because 20101455320043 - 2⁸ = 20101455319787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101455321043) 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, 3350242553338 + ... + 3350242553343.

It is an arithmetic number, because the mean of its divisors is an integer number (6700485106682).

Almost surely, 2^{20101455320043} is an apocalyptic number.

20101455320043 is a deficient number, since it is larger than the sum of its proper divisors (6700485106685).

20101455320043 is an equidigital number, since it uses as much as digits as its factorization.

20101455320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700485106684.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20101455320043 in words is "twenty trillion, one hundred one billion, four hundred fifty-five million, three hundred twenty thousand, forty-three".