2120352520044 has 96 divisors (see below), whose sum is σ = 5458906607616. Its totient is φ = 635217007680.

The previous prime is 2120352520001. The next prime is 2120352520051. The reversal of 2120352520044 is 4400252530212.

It is a junction number, because it is equal to n+sod(n) for n = 2120352519993 and 2120352520020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6724257 + ... + 7032519.

It is an arithmetic number, because the mean of its divisors is an integer number (56863610496).

Almost surely, 2^{2120352520044} 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 2120352520044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2729453303808).

2120352520044 is an abundant number, since it is smaller than the sum of its proper divisors (3338554087572).

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

2120352520044 is a wasteful number, since it uses less digits than its factorization.

2120352520044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308875 (or 308873 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 2120352520044 in words is "two trillion, one hundred twenty billion, three hundred fifty-two million, five hundred twenty thousand, forty-four".