20368520050 has 12 divisors (see below), whose sum is σ = 37885447386. Its totient is φ = 8147408000.

The previous prime is 20368520041. The next prime is 20368520057. The reversal of 20368520050 is 5002586302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14213646841 + 6154873209 = 119221^2 + 78453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20368519994 and 20368520021.

It is not an unprimeable number, because it can be changed into a prime (20368520057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203685151 + ... + 203685250.

Almost surely, 2^20368520050 is an apocalyptic number.

20368520050 is a deficient number, since it is larger than the sum of its proper divisors (17516927336).

20368520050 is a wasteful number, since it uses less digits than its factorization.

20368520050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407370413 (or 407370408 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 20368520050 in words is "twenty billion, three hundred sixty-eight million, five hundred twenty thousand, fifty".