2051520242 has 8 divisors (see below), whose sum is σ = 3077533056. Its totient is φ = 1025675892.

The previous prime is 2051520227. The next prime is 2051520257. The reversal of 2051520242 is 2420251502.

It is an interprime number because it is at equal distance from previous prime (2051520227) and next prime (2051520257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2051520242³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5198 + ... + 64265.

It is an arithmetic number, because the mean of its divisors is an integer number (384691632).

Almost surely, 2^2051520242 is an apocalyptic number.

2051520242 is a deficient number, since it is larger than the sum of its proper divisors (1026012814).

2051520242 is a wasteful number, since it uses less digits than its factorization.

2051520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84232.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2051520242 is about 45293.7108437805. The cubic root of 2051520242 is about 1270.6480339195.

Adding to 2051520242 its reverse (2420251502), we get a palindrome (4471771744).

The spelling of 2051520242 in words is "two billion, fifty-one million, five hundred twenty thousand, two hundred forty-two".