2120146544 has 20 divisors (see below), whose sum is σ = 4240294080. Its totient is φ = 1025877120.

The previous prime is 2120146543. The next prime is 2120146571. The reversal of 2120146544 is 4456410212.

2120146544 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120146543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136749 + ... + 2137740.

It is an arithmetic number, because the mean of its divisors is an integer number (212014704).

Almost surely, 2^2120146544 is an apocalyptic number.

It is an amenable number.

2120146544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2120146544 is a wasteful number, since it uses less digits than its factorization.

2120146544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274528 (or 4274522 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2120146544 is about 46045.0490715343. The cubic root of 2120146544 is about 1284.6612568829.

Adding to 2120146544 its reverse (4456410212), we get a palindrome (6576556756).

The spelling of 2120146544 in words is "two billion, one hundred twenty million, one hundred forty-six thousand, five hundred forty-four".