20055514153 has 2 divisors, whose sum is σ = 20055514154. Its totient is φ = 20055514152.

The previous prime is 20055514117. The next prime is 20055514223. The reversal of 20055514153 is 35141555002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20054241769 + 1272384 = 141613^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 20055514153 - 2²⁹ = 19518643241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20055511153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027757076 + 10027757077.

It is an arithmetic number, because the mean of its divisors is an integer number (10027757077).

Almost surely, 2^20055514153 is an apocalyptic number.

It is an amenable number.

20055514153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20055514153 is an equidigital number, since it uses as much as digits as its factorization.

20055514153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 20055514153 in words is "twenty billion, fifty-five million, five hundred fourteen thousand, one hundred fifty-three".