20854532501 has 8 divisors (see below), whose sum is σ = 22760568864. Its totient is φ = 18950191120.

The previous prime is 20854532437. The next prime is 20854532521. The reversal of 20854532501 is 10523545802.

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 20854532501 - 2⁶ = 20854532437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20854532521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397946 + ... + 447291.

It is an arithmetic number, because the mean of its divisors is an integer number (2845071108).

Almost surely, 2^20854532501 is an apocalyptic number.

It is an amenable number.

20854532501 is a deficient number, since it is larger than the sum of its proper divisors (1906036363).

20854532501 is a wasteful number, since it uses less digits than its factorization.

20854532501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847491.

The product of its (nonzero) digits is 48000, while the sum is 35.

It can be divided in two parts, 20854 and 532501, that added together give a palindrome (553355).

The spelling of 20854532501 in words is "twenty billion, eight hundred fifty-four million, five hundred thirty-two thousand, five hundred one".