20055532151 has 16 divisors (see below), whose sum is σ = 20591401824. Its totient is φ = 19525843584.

The previous prime is 20055532139. The next prime is 20055532177. The reversal of 20055532151 is 15123555002.

It is a cyclic number.

It is not a de Polignac number, because 20055532151 - 2⁶ = 20055532087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20055532121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10092380 + ... + 10094366.

It is an arithmetic number, because the mean of its divisors is an integer number (1286962614).

Almost surely, 2^20055532151 is an apocalyptic number.

20055532151 is a deficient number, since it is larger than the sum of its proper divisors (535869673).

20055532151 is a wasteful number, since it uses less digits than its factorization.

20055532151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 20055532151 in words is "twenty billion, fifty-five million, five hundred thirty-two thousand, one hundred fifty-one".