1020105197796 has 12 divisors (see below), whose sum is σ = 2380245461552. Its totient is φ = 340035065928.

The previous prime is 1020105197789. The next prime is 1020105197803. The reversal of 1020105197796 is 6977915010201.

It is an interprime number because it is at equal distance from previous prime (1020105197789) and next prime (1020105197803).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1020105197796² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42504383230 + ... + 42504383253.

Almost surely, 2^{1020105197796} is an apocalyptic number.

It is an amenable number.

1020105197796 is an abundant number, since it is smaller than the sum of its proper divisors (1360140263756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020105197796 is a wasteful number, since it uses less digits than its factorization.

1020105197796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85008766490 (or 85008766488 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 48.

The spelling of 1020105197796 in words is "one trillion, twenty billion, one hundred five million, one hundred ninety-seven thousand, seven hundred ninety-six".