20468100 has 36 divisors (see below), whose sum is σ = 59221904. Its totient is φ = 5458080.

The previous prime is 20468099. The next prime is 20468117. The reversal of 20468100 is 186402.

It is a super-2 number, since 2×20468100² = 837886235220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33814 + ... + 34413.

Almost surely, 2^20468100 is an apocalyptic number.

20468100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20468100 is an abundant number, since it is smaller than the sum of its proper divisors (38753804).

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

20468100 is a wasteful number, since it uses less digits than its factorization.

20468100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68244 (or 68237 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20468100 is about 4524.1684318778. The cubic root of 20468100 is about 273.5431497592.

The spelling of 20468100 in words is "twenty million, four hundred sixty-eight thousand, one hundred".