1020522903872 has 14 divisors (see below), whose sum is σ = 2025100137498. Its totient is φ = 510261451904.

The previous prime is 1020522903871. The next prime is 1020522903899. The reversal of 1020522903872 is 2783092250201.

It can be written as a sum of positive squares in only one way, i.e., 821299937536 + 199222966336 = 906256^2 + 446344^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020522903871) by changing a digit.

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 as a sum of consecutive naturals, namely, 7972835123 + ... + 7972835250.

Almost surely, 2^{1020522903872} is an apocalyptic number.

It is an amenable number.

1020522903872 is a deficient number, since it is larger than the sum of its proper divisors (1004577233626).

1020522903872 is an equidigital number, since it uses as much as digits as its factorization.

1020522903872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945670385 (or 15945670375 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1020522903872 in words is "one trillion, twenty billion, five hundred twenty-two million, nine hundred three thousand, eight hundred seventy-two".