20535522054 has 8 divisors (see below), whose sum is σ = 41071044120. Its totient is φ = 6845174016.

The previous prime is 20535522041. The next prime is 20535522127. The reversal of 20535522054 is 45022553502.

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

20535522054 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711293499 + ... + 1711293510.

It is an arithmetic number, because the mean of its divisors is an integer number (5133880515).

Almost surely, 2^20535522054 is an apocalyptic number.

20535522054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20535522054 is a wasteful number, since it uses less digits than its factorization.

20535522054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422587014.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 20535522054 in words is "twenty billion, five hundred thirty-five million, five hundred twenty-two thousand, fifty-four".