20346502213352 has 48 divisors (see below), whose sum is σ = 44702141413860. Its totient is φ = 8656280376576.

The previous prime is 20346502213321. The next prime is 20346502213357. The reversal of 20346502213352 is 25331220564302.

It can be written as a sum of positive squares in 2 ways, for example, as 18406794218596 + 1939707994756 = 4290314^2 + 1392734^2 .

It is not an unprimeable number, because it can be changed into a prime (20346502213357) 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, 189378203 + ... + 189485610.

Almost surely, 2^{20346502213352} is an apocalyptic number.

It is an amenable number.

20346502213352 is an abundant number, since it is smaller than the sum of its proper divisors (24355639200508).

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

20346502213352 is a wasteful number, since it uses less digits than its factorization.

20346502213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378863970 (or 378863959 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 20346502213352 its reverse (25331220564302), we get a palindrome (45677722777654).

The spelling of 20346502213352 in words is "twenty trillion, three hundred forty-six billion, five hundred two million, two hundred thirteen thousand, three hundred fifty-two".