1020904884170 has 16 divisors (see below), whose sum is σ = 1839934488168. Its totient is φ = 407849576640.

The previous prime is 1020904884137. The next prime is 1020904884173. The reversal of 1020904884170 is 714884090201.

It can be written as a sum of positive squares in 4 ways, for example, as 804578502289 + 216326381881 = 896983^2 + 465109^2 .

It is a super-2 number, since 2×1020904884170² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020904884173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64038761 + ... + 64054700.

Almost surely, 2^{1020904884170} is an apocalyptic number.

1020904884170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020904884170 is a deficient number, since it is larger than the sum of its proper divisors (819029603998).

1020904884170 is a wasteful number, since it uses less digits than its factorization.

1020904884170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128094265.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 1020904884170 in words is "one trillion, twenty billion, nine hundred four million, eight hundred eighty-four thousand, one hundred seventy".