20734353320152 has 32 divisors (see below), whose sum is σ = 38997980928000. Its totient is φ = 10334941762464.

The previous prime is 20734353320143. The next prime is 20734353320179. The reversal of 20734353320152 is 25102335343702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190849 + ... + 6442447.

It is an arithmetic number, because the mean of its divisors is an integer number (1218686904000).

Almost surely, 2^{20734353320152} is an apocalyptic number.

It is an amenable number.

20734353320152 is a deficient number, since it is larger than the sum of its proper divisors (18263627607848).

20734353320152 is a wasteful number, since it uses less digits than its factorization.

20734353320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252895 (or 6252891 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 40.

Adding to 20734353320152 its reverse (25102335343702), we get a palindrome (45836688663854).

The spelling of 20734353320152 in words is "twenty trillion, seven hundred thirty-four billion, three hundred fifty-three million, three hundred twenty thousand, one hundred fifty-two".