1020203342435 has 4 divisors (see below), whose sum is σ = 1224244010928. Its totient is φ = 816162673944.

The previous prime is 1020203342401. The next prime is 1020203342467. The reversal of 1020203342435 is 5342433020201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020203342435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020203342398 and 1020203342407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102020334239 + ... + 102020334248.

It is an arithmetic number, because the mean of its divisors is an integer number (306061002732).

Almost surely, 2^{1020203342435} is an apocalyptic number.

1020203342435 is a deficient number, since it is larger than the sum of its proper divisors (204040668493).

1020203342435 is an equidigital number, since it uses as much as digits as its factorization.

1020203342435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204040668492.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1020203342435 its reverse (5342433020201), we get a palindrome (6362636362636).

The spelling of 1020203342435 in words is "one trillion, twenty billion, two hundred three million, three hundred forty-two thousand, four hundred thirty-five".