2120351356 has 24 divisors (see below), whose sum is σ = 3858704640. Its totient is φ = 1018248000.

The previous prime is 2120351351. The next prime is 2120351437. The reversal of 2120351356 is 6531530212.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120351351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25695 + ... + 70006.

It is an arithmetic number, because the mean of its divisors is an integer number (160779360).

Almost surely, 2^2120351356 is an apocalyptic number.

It is an amenable number.

2120351356 is a deficient number, since it is larger than the sum of its proper divisors (1738353284).

2120351356 is a wasteful number, since it uses less digits than its factorization.

2120351356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95925 (or 95923 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2120351356 is about 46047.2730571529. The cubic root of 2120351356 is about 1284.7026228237.

Adding to 2120351356 its reverse (6531530212), we get a palindrome (8651881568).

The spelling of 2120351356 in words is "two billion, one hundred twenty million, three hundred fifty-one thousand, three hundred fifty-six".