1820029320204 has 12 divisors (see below), whose sum is σ = 4246735080504. Its totient is φ = 606676440064.

The previous prime is 1820029320157. The next prime is 1820029320247. The reversal of 1820029320204 is 4020239200281.

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

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, 75834554997 + ... + 75834555020.

It is an arithmetic number, because the mean of its divisors is an integer number (353894590042).

Almost surely, 2^{1820029320204} is an apocalyptic number.

It is an amenable number.

1820029320204 is an abundant number, since it is smaller than the sum of its proper divisors (2426705760300).

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

1820029320204 is a wasteful number, since it uses less digits than its factorization.

1820029320204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151669110024 (or 151669110022 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 1820029320204 in words is "one trillion, eight hundred twenty billion, twenty-nine million, three hundred twenty thousand, two hundred four".