1066512005020 has 48 divisors (see below), whose sum is σ = 2792322344448. Its totient is φ = 332419325760.

The previous prime is 1066512005003. The next prime is 1066512005047. The reversal of 1066512005020 is 205002156601.

1066512005020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066512005020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1066512005020.

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, 346268592 + ... + 346271671.

It is an arithmetic number, because the mean of its divisors is an integer number (58173382176).

Almost surely, 2^{1066512005020} is an apocalyptic number.

1066512005020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066512005020 is an abundant number, since it is smaller than the sum of its proper divisors (1725810339428).

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

1066512005020 is a wasteful number, since it uses less digits than its factorization.

1066512005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692540290 (or 692540288 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1066512005020 in words is "one trillion, sixty-six billion, five hundred twelve million, five thousand, twenty".