1020677003405 has 16 divisors (see below), whose sum is σ = 1248499505664. Its totient is φ = 800901316800.

The previous prime is 1020677003329. The next prime is 1020677003471. The reversal of 1020677003405 is 5043007760201.

1020677003405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020677003405 - 2¹⁰ = 1020677002381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9390557 + ... + 9498626.

It is an arithmetic number, because the mean of its divisors is an integer number (78031219104).

Almost surely, 2^{1020677003405} is an apocalyptic number.

It is an amenable number.

1020677003405 is a deficient number, since it is larger than the sum of its proper divisors (227822502259).

1020677003405 is a wasteful number, since it uses less digits than its factorization.

1020677003405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889396.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 1020677003405 in words is "one trillion, twenty billion, six hundred seventy-seven million, three thousand, four hundred five".