20535054351 has 16 divisors (see below), whose sum is σ = 31347707904. Its totient is φ = 11713243104.

The previous prime is 20535054311. The next prime is 20535054361. The reversal of 20535054351 is 15345053502.

It is a happy number.

It is not a de Polignac number, because 20535054351 - 2⁹ = 20535053839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20535054301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866095 + ... + 889488.

It is an arithmetic number, because the mean of its divisors is an integer number (1959231744).

Almost surely, 2^20535054351 is an apocalyptic number.

20535054351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20535054351 is a deficient number, since it is larger than the sum of its proper divisors (10812653553).

20535054351 is a wasteful number, since it uses less digits than its factorization.

20535054351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756150.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 20535054351 in words is "twenty billion, five hundred thirty-five million, fifty-four thousand, three hundred fifty-one".