20202352134 has 32 divisors (see below), whose sum is σ = 40512454656. Its totient is φ = 6716183040.

The previous prime is 20202352111. The next prime is 20202352171. The reversal of 20202352134 is 43125320202.

It is a super-2 number, since 2×20202352134² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5090619 + ... + 5094585.

It is an arithmetic number, because the mean of its divisors is an integer number (1266014208).

Almost surely, 2^20202352134 is an apocalyptic number.

20202352134 is an abundant number, since it is smaller than the sum of its proper divisors (20310102522).

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

20202352134 is a wasteful number, since it uses less digits than its factorization.

20202352134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20202352134 its reverse (43125320202), we get a palindrome (63327672336).

The spelling of 20202352134 in words is "twenty billion, two hundred two million, three hundred fifty-two thousand, one hundred thirty-four".