20512024215 has 16 divisors (see below), whose sum is σ = 32821331328. Its totient is φ = 10939048736.

The previous prime is 20512024201. The next prime is 20512024241. The reversal of 20512024215 is 51242021502.

It is a cyclic number.

It is not a de Polignac number, because 20512024215 - 2¹⁸ = 20511762071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274264 + ... + 340946.

It is an arithmetic number, because the mean of its divisors is an integer number (2051333208).

Almost surely, 2^20512024215 is an apocalyptic number.

20512024215 is a deficient number, since it is larger than the sum of its proper divisors (12309307113).

20512024215 is a wasteful number, since it uses less digits than its factorization.

20512024215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87198.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20512024215 its reverse (51242021502), we get a palindrome (71754045717).

The spelling of 20512024215 in words is "twenty billion, five hundred twelve million, twenty-four thousand, two hundred fifteen".