20245406015 has 8 divisors (see below), whose sum is σ = 25573144560. Its totient is φ = 15343886592.

The previous prime is 20245405997. The next prime is 20245406039. The reversal of 20245406015 is 51060454202.

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

It is a cyclic number.

It is not a de Polignac number, because 20245406015 - 2⁶ = 20245405951 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 106554674 + ... + 106554863.

It is an arithmetic number, because the mean of its divisors is an integer number (3196643070).

Almost surely, 2^20245406015 is an apocalyptic number.

20245406015 is a deficient number, since it is larger than the sum of its proper divisors (5327738545).

20245406015 is a wasteful number, since it uses less digits than its factorization.

20245406015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213109561.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 20245406015 in words is "twenty billion, two hundred forty-five million, four hundred six thousand, fifteen".