20953350308115 has 48 divisors (see below), whose sum is σ = 36564201273600. Its totient is φ = 11099722233600.

The previous prime is 20953350308089. The next prime is 20953350308119. The reversal of 20953350308115 is 51180305335902.

20953350308115 is a `hidden beast` number, since 2 + 0 + 9 + 5 + 335 + 0 + 308 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 20953350308115 - 2¹⁶ = 20953350242579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (20953350308119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374788254 + ... + 374844156.

It is an arithmetic number, because the mean of its divisors is an integer number (761754193200).

Almost surely, 2^{20953350308115} is an apocalyptic number.

20953350308115 is a deficient number, since it is larger than the sum of its proper divisors (15610850965485).

20953350308115 is a wasteful number, since it uses less digits than its factorization.

20953350308115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111964 (or 111961 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 20953350308115 in words is "twenty trillion, nine hundred fifty-three billion, three hundred fifty million, three hundred eight thousand, one hundred fifteen".