20295561429050 has 24 divisors (see below), whose sum is σ = 39970317451356. Its totient is φ = 7640681949440.

The previous prime is 20295561429049. The next prime is 20295561429071. The reversal of 20295561429050 is 5092416559202.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 13259014711849 + 7036546717201 = 3641293^2 + 2652649^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 20295561429050.

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 11 ways as a sum of consecutive naturals, for example, 11938564697 + ... + 11938566396.

Almost surely, 2^{20295561429050} is an apocalyptic number.

20295561429050 is a deficient number, since it is larger than the sum of its proper divisors (19674756022306).

20295561429050 is a wasteful number, since it uses less digits than its factorization.

20295561429050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23877131122 (or 23877131117 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 20295561429050 in words is "twenty trillion, two hundred ninety-five billion, five hundred sixty-one million, four hundred twenty-nine thousand, fifty".