1020403405193 has 16 divisors (see below), whose sum is σ = 1058867311680. Its totient is φ = 982159286976.

The previous prime is 1020403405181. The next prime is 1020403405243. The reversal of 1020403405193 is 3915043040201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020403405193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020403405493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62352230 + ... + 62368592.

It is an arithmetic number, because the mean of its divisors is an integer number (66179206980).

Almost surely, 2^{1020403405193} is an apocalyptic number.

It is an amenable number.

1020403405193 is a deficient number, since it is larger than the sum of its proper divisors (38463906487).

1020403405193 is a wasteful number, since it uses less digits than its factorization.

1020403405193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22936.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 1020403405193 its reverse (3915043040201), we get a palindrome (4935446445394).

The spelling of 1020403405193 in words is "one trillion, twenty billion, four hundred three million, four hundred five thousand, one hundred ninety-three".