1020372820004 has 6 divisors (see below), whose sum is σ = 1785652435014. Its totient is φ = 510186410000.

The previous prime is 1020372819997. The next prime is 1020372820037. The reversal of 1020372820004 is 4000282730201.

It can be written as a sum of positive squares in only one way, i.e., 579806102500 + 440566717504 = 761450^2 + 663752^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127546602497 + ... + 127546602504.

It is an arithmetic number, because the mean of its divisors is an integer number (297608739169).

Almost surely, 2^{1020372820004} is an apocalyptic number.

It is an amenable number.

1020372820004 is a deficient number, since it is larger than the sum of its proper divisors (765279615010).

1020372820004 is a wasteful number, since it uses less digits than its factorization.

1020372820004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255093205005 (or 255093205003 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 1020372820004 in words is "one trillion, twenty billion, three hundred seventy-two million, eight hundred twenty thousand, four".