20052121253304 has 128 divisors (see below), whose sum is σ = 60933907722240. Its totient is φ = 5367986767872.

The previous prime is 20052121253299. The next prime is 20052121253323. The reversal of 20052121253304 is 40335212125002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15105379 + ... + 16379154.

It is an arithmetic number, because the mean of its divisors is an integer number (476046154080).

Almost surely, 2^{20052121253304} is an apocalyptic number.

20052121253304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20052121253304 is an abundant number, since it is smaller than the sum of its proper divisors (40881786468936).

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

20052121253304 is a wasteful number, since it uses less digits than its factorization.

20052121253304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31484789 (or 31484785 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20052121253304 its reverse (40335212125002), we get a palindrome (60387333378306).

The spelling of 20052121253304 in words is "twenty trillion, fifty-two billion, one hundred twenty-one million, two hundred fifty-three thousand, three hundred four".