1020434024503 has 4 divisors (see below), whose sum is σ = 1020460783320. Its totient is φ = 1020407265688.

The previous prime is 1020434024459. The next prime is 1020434024549. The reversal of 1020434024503 is 3054204340201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1020434024503 - 2¹³ = 1020434016311 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 (1020435024503) 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, 13322125 + ... + 13398502.

It is an arithmetic number, because the mean of its divisors is an integer number (255115195830).

Almost surely, 2^{1020434024503} is an apocalyptic number.

1020434024503 is a deficient number, since it is larger than the sum of its proper divisors (26758817).

1020434024503 is an equidigital number, since it uses as much as digits as its factorization.

1020434024503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758816.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 1020434024503 its reverse (3054204340201), we get a palindrome (4074638364704).

The spelling of 1020434024503 in words is "one trillion, twenty billion, four hundred thirty-four million, twenty-four thousand, five hundred three".