1820754922056 has 256 divisors, whose sum is σ = 5679673344000. Its totient is φ = 474765235200.

The previous prime is 1820754922039. The next prime is 1820754922057. The reversal of 1820754922056 is 6502294570281.

It is not an unprimeable number, because it can be changed into a prime (1820754922057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11852185 + ... + 12004823.

It is an arithmetic number, because the mean of its divisors is an integer number (22186224000).

Almost surely, 2^{1820754922056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1820754922056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839836672000).

1820754922056 is an abundant number, since it is smaller than the sum of its proper divisors (3858918421944).

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

1820754922056 is a wasteful number, since it uses less digits than its factorization.

1820754922056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152812 (or 152808 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 1820754922056 in words is "one trillion, eight hundred twenty billion, seven hundred fifty-four million, nine hundred twenty-two thousand, fifty-six".