20552510245 has 16 divisors (see below), whose sum is σ = 24902665920. Its totient is φ = 16282353024.

The previous prime is 20552510233. The next prime is 20552510257. The reversal of 20552510245 is 54201525502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20552510233) and next prime (20552510257).

It is a cyclic number.

It is not a de Polignac number, because 20552510245 - 2⁷ = 20552510117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959826 + ... + 1970284.

It is an arithmetic number, because the mean of its divisors is an integer number (1556416620).

Almost surely, 2^20552510245 is an apocalyptic number.

It is an amenable number.

20552510245 is a deficient number, since it is larger than the sum of its proper divisors (4350155675).

20552510245 is a wasteful number, since it uses less digits than its factorization.

20552510245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 20552510245 in words is "twenty billion, five hundred fifty-two million, five hundred ten thousand, two hundred forty-five".