1020552403442 has 96 divisors (see below), whose sum is σ = 1829720762496. Its totient is φ = 423156864000.

The previous prime is 1020552403439. The next prime is 1020552403459. The reversal of 1020552403442 is 2443042550201.

It is a junction number, because it is equal to n+sod(n) for n = 1020552403399 and 1020552403408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222679883 + ... + 222684465.

It is an arithmetic number, because the mean of its divisors is an integer number (19059591276).

Almost surely, 2^{1020552403442} is an apocalyptic number.

1020552403442 is a deficient number, since it is larger than the sum of its proper divisors (809168359054).

1020552403442 is a wasteful number, since it uses less digits than its factorization.

1020552403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5303 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 1020552403442 its reverse (2443042550201), we get a palindrome (3463594953643).

The spelling of 1020552403442 in words is "one trillion, twenty billion, five hundred fifty-two million, four hundred three thousand, four hundred forty-two".