20305326532 has 12 divisors (see below), whose sum is σ = 37079292096. Its totient is φ = 9711243080.

The previous prime is 20305326527. The next prime is 20305326551. The reversal of 20305326532 is 23562350302.

It is a super-2 number, since 2×20305326532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20305326494 and 20305326503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110354944 + ... + 110355127.

It is an arithmetic number, because the mean of its divisors is an integer number (3089941008).

Almost surely, 2^20305326532 is an apocalyptic number.

It is an amenable number.

20305326532 is a deficient number, since it is larger than the sum of its proper divisors (16773965564).

20305326532 is a wasteful number, since it uses less digits than its factorization.

20305326532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220710098 (or 220710096 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 20305326532 its reverse (23562350302), we get a palindrome (43867676834).

The spelling of 20305326532 in words is "twenty billion, three hundred five million, three hundred twenty-six thousand, five hundred thirty-two".