206425222050 has 24 divisors (see below), whose sum is σ = 511934551056. Its totient is φ = 55046725840.

The previous prime is 206425222039. The next prime is 206425222067. The reversal of 206425222050 is 50222524602.

It is a super-2 number, since 2×206425222050² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 206425221999 and 206425222017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688083924 + ... + 688084223.

It is an arithmetic number, because the mean of its divisors is an integer number (21330606294).

Almost surely, 2^206425222050 is an apocalyptic number.

206425222050 is an abundant number, since it is smaller than the sum of its proper divisors (305509329006).

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

206425222050 is a wasteful number, since it uses less digits than its factorization.

206425222050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376168162 (or 1376168157 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 206425222050 its reverse (50222524602), we get a palindrome (256647746652).

The spelling of 206425222050 in words is "two hundred six billion, four hundred twenty-five million, two hundred twenty-two thousand, fifty".