1020524205103 has 16 divisors (see below), whose sum is σ = 1102925337696. Its totient is φ = 938682449280.

The previous prime is 1020524205091. The next prime is 1020524205143. The reversal of 1020524205103 is 3015024250201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020524205103 is a prime.

It is a super-2 number, since 2×1020524205103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020524205143) 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, 10753900 + ... + 10848382.

It is an arithmetic number, because the mean of its divisors is an integer number (68932833606).

Almost surely, 2^{1020524205103} is an apocalyptic number.

1020524205103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020524205103 is a deficient number, since it is larger than the sum of its proper divisors (82401132593).

1020524205103 is a wasteful number, since it uses less digits than its factorization.

1020524205103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97434.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1020524205103 its reverse (3015024250201), we get a palindrome (4035548455304).

The spelling of 1020524205103 in words is "one trillion, twenty billion, five hundred twenty-four million, two hundred five thousand, one hundred three".