10204420534501 has 4 divisors (see below), whose sum is σ = 10218813229900. Its totient is φ = 10190027839104.

The previous prime is 10204420534471. The next prime is 10204420534507. The reversal of 10204420534501 is 10543502440201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3047377714276 + 7157042820225 = 1745674^2 + 2675265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10204420534501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204420534507) 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, 7196346636 + ... + 7196348053.

It is an arithmetic number, because the mean of its divisors is an integer number (2554703307475).

Almost surely, 2^{10204420534501} is an apocalyptic number.

It is an amenable number.

10204420534501 is a deficient number, since it is larger than the sum of its proper divisors (14392695399).

10204420534501 is an equidigital number, since it uses as much as digits as its factorization.

10204420534501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14392695398.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 10204420534501 its reverse (10543502440201), we get a palindrome (20747922974702).

The spelling of 10204420534501 in words is "ten trillion, two hundred four billion, four hundred twenty million, five hundred thirty-four thousand, five hundred one".