20304153650 has 48 divisors (see below), whose sum is σ = 41437312128. Its totient is φ = 7340616000.

The previous prime is 20304153593. The next prime is 20304153671. The reversal of 20304153650 is 5635140302.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11546 + ... + 201845.

It is an arithmetic number, because the mean of its divisors is an integer number (863277336).

Almost surely, 2^20304153650 is an apocalyptic number.

20304153650 is an abundant number, since it is smaller than the sum of its proper divisors (21133158478).

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

20304153650 is a wasteful number, since it uses less digits than its factorization.

20304153650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213587 (or 213582 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 20304153650 its reverse (5635140302), we get a palindrome (25939293952).

The spelling of 20304153650 in words is "twenty billion, three hundred four million, one hundred fifty-three thousand, six hundred fifty".