1020110020989 has 8 divisors (see below), whose sum is σ = 1365056972640. Its totient is φ = 677618208336.

The previous prime is 1020110020987. The next prime is 1020110021069. The reversal of 1020110020989 is 9890200110201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020110020989 - 2¹ = 1020110020987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020110020987) 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, 613783779 + ... + 613785440.

It is an arithmetic number, because the mean of its divisors is an integer number (170632121580).

Almost surely, 2^{1020110020989} is an apocalyptic number.

It is an amenable number.

1020110020989 is a deficient number, since it is larger than the sum of its proper divisors (344946951651).

1020110020989 is a wasteful number, since it uses less digits than its factorization.

1020110020989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227569499.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 1020110020989 in words is "one trillion, twenty billion, one hundred ten million, twenty thousand, nine hundred eighty-nine".