20051452115 has 16 divisors (see below), whose sum is σ = 25336192800. Its totient is φ = 15192064512.

The previous prime is 20051452103. The next prime is 20051452117. The reversal of 20051452115 is 51125415002.

It is a cyclic number.

It is not a de Polignac number, because 20051452115 - 2³² = 15756484819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20051452117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282881 + ... + 346589.

It is an arithmetic number, because the mean of its divisors is an integer number (1583512050).

Almost surely, 2^20051452115 is an apocalyptic number.

20051452115 is a deficient number, since it is larger than the sum of its proper divisors (5284740685).

20051452115 is a wasteful number, since it uses less digits than its factorization.

20051452115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67046.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 20051452115 its reverse (51125415002), we get a palindrome (71176867117).

The spelling of 20051452115 in words is "twenty billion, fifty-one million, four hundred fifty-two thousand, one hundred fifteen".