20352425534 has 32 divisors (see below), whose sum is σ = 37072878336. Its totient is φ = 8180346240.

The previous prime is 20352425519. The next prime is 20352425539. The reversal of 20352425534 is 43552425302.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20352425494 and 20352425503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352425539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83732 + ... + 218439.

It is an arithmetic number, because the mean of its divisors is an integer number (1158527448).

Almost surely, 2^20352425534 is an apocalyptic number.

20352425534 is a deficient number, since it is larger than the sum of its proper divisors (16720452802).

20352425534 is a wasteful number, since it uses less digits than its factorization.

20352425534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302480.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 20352425534 in words is "twenty billion, three hundred fifty-two million, four hundred twenty-five thousand, five hundred thirty-four".