20541034215 has 48 divisors (see below), whose sum is σ = 39763415328. Its totient is φ = 10112501376.

The previous prime is 20541034181. The next prime is 20541034223. The reversal of 20541034215 is 51243014502.

20541034215 is a `hidden beast` number, since 2 + 0 + 5 + 410 + 34 + 215 = 666.

It is not a de Polignac number, because 20541034215 - 2¹⁴ = 20541017831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 634444 + ... + 666033.

It is an arithmetic number, because the mean of its divisors is an integer number (828404486).

Almost surely, 2^20541034215 is an apocalyptic number.

20541034215 is a deficient number, since it is larger than the sum of its proper divisors (19222381113).

20541034215 is a wasteful number, since it uses less digits than its factorization.

20541034215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300510 (or 1300498 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20541034215 its reverse (51243014502), we get a palindrome (71784048717).

The spelling of 20541034215 in words is "twenty billion, five hundred forty-one million, thirty-four thousand, two hundred fifteen".