1020504540435 has 8 divisors (see below), whose sum is σ = 1632807264720. Its totient is φ = 544269088224.

The previous prime is 1020504540271. The next prime is 1020504540487. The reversal of 1020504540435 is 5340454050201.

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

It is not a de Polignac number, because 1020504540435 - 2²¹ = 1020502443283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020504540396 and 1020504540405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34016818000 + ... + 34016818029.

It is an arithmetic number, because the mean of its divisors is an integer number (204100908090).

Almost surely, 2^{1020504540435} is an apocalyptic number.

1020504540435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020504540435 is a deficient number, since it is larger than the sum of its proper divisors (612302724285).

1020504540435 is an equidigital number, since it uses as much as digits as its factorization.

1020504540435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68033636037.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 1020504540435 its reverse (5340454050201), we get a palindrome (6360958590636).

The spelling of 1020504540435 in words is "one trillion, twenty billion, five hundred four million, five hundred forty thousand, four hundred thirty-five".