1020342423525 has 48 divisors (see below), whose sum is σ = 1704150302400. Its totient is φ = 538662620160.

The previous prime is 1020342423491. The next prime is 1020342423547. The reversal of 1020342423525 is 5253242430201.

It is not a de Polignac number, because 1020342423525 - 2¹⁵ = 1020342390757 is a prime.

It is a super-2 number, since 2×1020342423525² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3368011 + ... + 3658439.

It is an arithmetic number, because the mean of its divisors is an integer number (35503131300).

Almost surely, 2^{1020342423525} is an apocalyptic number.

1020342423525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020342423525 is a deficient number, since it is larger than the sum of its proper divisors (683807878875).

1020342423525 is a wasteful number, since it uses less digits than its factorization.

1020342423525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290918 (or 290913 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 1020342423525 its reverse (5253242430201), we get a palindrome (6273584853726).

The spelling of 1020342423525 in words is "one trillion, twenty billion, three hundred forty-two million, four hundred twenty-three thousand, five hundred twenty-five".