20355103263001 has 8 divisors (see below), whose sum is σ = 21939255039240. Its totient is φ = 18773576429952.

The previous prime is 20355103262987. The next prime is 20355103263013. The reversal of 20355103263001 is 10036230155302.

It can be written as a sum of positive squares in 4 ways, for example, as 162347749776 + 20192755513225 = 402924^2 + 4493635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20355103263001 - 2⁴³ = 11559010240793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20355103263091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656219686 + ... + 656250703.

It is an arithmetic number, because the mean of its divisors is an integer number (2742406879905).

Almost surely, 2^{20355103263001} is an apocalyptic number.

It is an amenable number.

20355103263001 is a deficient number, since it is larger than the sum of its proper divisors (1584151776239).

20355103263001 is a wasteful number, since it uses less digits than its factorization.

20355103263001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312471595.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 20355103263001 in words is "twenty trillion, three hundred fifty-five billion, one hundred three million, two hundred sixty-three thousand, one".