20152440202 has 16 divisors (see below), whose sum is σ = 31083285600. Its totient is φ = 9792005328.

The previous prime is 20152440149. The next prime is 20152440221. The reversal of 20152440202 is 20204425102.

It is a super-2 number, since 2×20152440202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 103452 + ... + 225847.

It is an arithmetic number, because the mean of its divisors is an integer number (1942705350).

Almost surely, 2^20152440202 is an apocalyptic number.

20152440202 is a deficient number, since it is larger than the sum of its proper divisors (10930845398).

20152440202 is a wasteful number, since it uses less digits than its factorization.

20152440202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330165.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20152440202 its reverse (20204425102), we get a palindrome (40356865304).

The spelling of 20152440202 in words is "twenty billion, one hundred fifty-two million, four hundred forty thousand, two hundred two".