20102950371125 has 8 divisors (see below), whose sum is σ = 25088482063320. Its totient is φ = 16082360296800.

The previous prime is 20102950371103. The next prime is 20102950371173. The reversal of 20102950371125 is 52117305920102.

It can be written as a sum of positive squares in 4 ways, for example, as 4646171628004 + 15456778743121 = 2155498^2 + 3931511^2 .

It is not a de Polignac number, because 20102950371125 - 2³² = 20098655403829 is a prime.

It is a super-2 number, since 2×20102950371125² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80411801360 + ... + 80411801609.

It is an arithmetic number, because the mean of its divisors is an integer number (3136060257915).

Almost surely, 2^{20102950371125} is an apocalyptic number.

20102950371125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20102950371125 is a deficient number, since it is larger than the sum of its proper divisors (4985531692195).

20102950371125 is an equidigital number, since it uses as much as digits as its factorization.

20102950371125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160823602984 (or 160823602974 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 20102950371125 in words is "twenty trillion, one hundred two billion, nine hundred fifty million, three hundred seventy-one thousand, one hundred twenty-five".