20566602150 has 48 divisors (see below), whose sum is σ = 51118938000. Its totient is φ = 5472194560.

The previous prime is 20566602127. The next prime is 20566602151. The reversal of 20566602150 is 5120666502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20566602151) 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 23 ways as a sum of consecutive naturals, for example, 85335 + ... + 220034.

It is an arithmetic number, because the mean of its divisors is an integer number (1064977875).

Almost surely, 2^20566602150 is an apocalyptic number.

20566602150 is an abundant number, since it is smaller than the sum of its proper divisors (30552335850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20566602150 is a wasteful number, since it uses less digits than its factorization.

20566602150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305833 (or 305828 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 20566602150 in words is "twenty billion, five hundred sixty-six million, six hundred two thousand, one hundred fifty".