20153334220 has 24 divisors (see below), whose sum is σ = 42328543824. Its totient is φ = 8060087616.

The previous prime is 20153334209. The next prime is 20153334239. The reversal of 20153334220 is 2243335102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60762 + ... + 209758.

It is an arithmetic number, because the mean of its divisors is an integer number (1763689326).

Almost surely, 2^20153334220 is an apocalyptic number.

20153334220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20153334220 is an abundant number, since it is smaller than the sum of its proper divisors (22175209604).

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

20153334220 is a wasteful number, since it uses less digits than its factorization.

20153334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155769 (or 155767 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20153334220 its reverse (2243335102), we get a palindrome (22396669322).

The spelling of 20153334220 in words is "twenty billion, one hundred fifty-three million, three hundred thirty-four thousand, two hundred twenty".