2120415351 has 12 divisors (see below), whose sum is σ = 2905702632. Its totient is φ = 1375401888.

The previous prime is 2120415343. The next prime is 2120415377. The reversal of 2120415351 is 1535140212.

It is a happy number.

It is not a de Polignac number, because 2120415351 - 2³ = 2120415343 is a prime.

It is a super-2 number, since 2×2120415351² = 8992322521512906402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120415551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254040 + ... + 262253.

It is an arithmetic number, because the mean of its divisors is an integer number (242141886).

Almost surely, 2^2120415351 is an apocalyptic number.

2120415351 is a deficient number, since it is larger than the sum of its proper divisors (785287281).

2120415351 is an equidigital number, since it uses as much as digits as its factorization.

2120415351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516370 (or 516333 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2120415351 is about 46047.9679356212. The cubic root of 2120415351 is about 1284.7155473668.

Adding to 2120415351 its reverse (1535140212), we get a palindrome (3655555563).

The spelling of 2120415351 in words is "two billion, one hundred twenty million, four hundred fifteen thousand, three hundred fifty-one".