20488300 has 36 divisors (see below), whose sum is σ = 50812720. Its totient is φ = 7024320.

The previous prime is 20488291. The next prime is 20488309. The reversal of 20488300 is 388402.

It is an interprime number because it is at equal distance from previous prime (20488291) and next prime (20488309).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20488309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13935 + ... + 15334.

Almost surely, 2^20488300 is an apocalyptic number.

20488300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20488300 is an abundant number, since it is smaller than the sum of its proper divisors (30324420).

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

20488300 is a wasteful number, since it uses less digits than its factorization.

20488300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29290 (or 29283 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20488300 is about 4526.4003358077. The cubic root of 20488300 is about 273.6331068940.

The spelling of 20488300 in words is "twenty million, four hundred eighty-eight thousand, three hundred".