20053501055 has 32 divisors (see below), whose sum is σ = 28519655424. Its totient is φ = 13249339776.

The previous prime is 20053501049. The next prime is 20053501057. The reversal of 20053501055 is 55010535002.

It is a cyclic number.

It is not a de Polignac number, because 20053501055 - 2⁶ = 20053500991 is a prime.

It is a super-2 number, since 2×20053501055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053501057) 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 31 ways as a sum of consecutive naturals, for example, 58214 + ... + 208556.

It is an arithmetic number, because the mean of its divisors is an integer number (891239232).

Almost surely, 2^20053501055 is an apocalyptic number.

20053501055 is a deficient number, since it is larger than the sum of its proper divisors (8466154369).

20053501055 is a wasteful number, since it uses less digits than its factorization.

20053501055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150495.

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 20053501055 in words is "twenty billion, fifty-three million, five hundred one thousand, fifty-five".