16204322020 has 24 divisors (see below), whose sum is σ = 35508602304. Its totient is φ = 6199914336.

The previous prime is 16204321943. The next prime is 16204322033. The reversal of 16204322020 is 2022340261.

It is a junction number, because it is equal to n+sod(n) for n = 16204321982 and 16204322000.

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, 17612934 + ... + 17613853.

It is an arithmetic number, because the mean of its divisors is an integer number (1479525096).

Almost surely, 2^16204322020 is an apocalyptic number.

16204322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16204322020 is an abundant number, since it is smaller than the sum of its proper divisors (19304280284).

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

16204322020 is a wasteful number, since it uses less digits than its factorization.

16204322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35226819 (or 35226817 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 16204322020 its reverse (2022340261), we get a palindrome (18226662281).

The spelling of 16204322020 in words is "sixteen billion, two hundred four million, three hundred twenty-two thousand, twenty".