20205220150 has 24 divisors (see below), whose sum is σ = 38142636840. Its totient is φ = 7961458560.

The previous prime is 20205220039. The next prime is 20205220153. The reversal of 20205220150 is 5102250202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205220153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3012355 + ... + 3019054.

It is an arithmetic number, because the mean of its divisors is an integer number (1589276535).

Almost surely, 2^20205220150 is an apocalyptic number.

20205220150 is a deficient number, since it is larger than the sum of its proper divisors (17937416690).

20205220150 is a wasteful number, since it uses less digits than its factorization.

20205220150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031488 (or 6031483 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 20205220150 its reverse (5102250202), we get a palindrome (25307470352).

The spelling of 20205220150 in words is "twenty billion, two hundred five million, two hundred twenty thousand, one hundred fifty".