2120633541 has 24 divisors (see below), whose sum is σ = 3420944800. Its totient is φ = 1305003312.

The previous prime is 2120633479. The next prime is 2120633551. The reversal of 2120633541 is 1453360212.

2120633541 is a `hidden beast` number, since 2 + 1 + 20 + 633 + 5 + 4 + 1 = 666.

It is not a de Polignac number, because 2120633541 - 2⁹ = 2120633029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120633551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332491 + ... + 338808.

Almost surely, 2^2120633541 is an apocalyptic number.

It is an amenable number.

2120633541 is a deficient number, since it is larger than the sum of its proper divisors (1300311259).

2120633541 is an equidigital number, since it uses as much as digits as its factorization.

2120633541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671327 (or 671315 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2120633541 is about 46050.3370345973. The cubic root of 2120633541 is about 1284.7596114493.

Adding to 2120633541 its reverse (1453360212), we get a palindrome (3573993753).

The spelling of 2120633541 in words is "two billion, one hundred twenty million, six hundred thirty-three thousand, five hundred forty-one".