20348000 has 48 divisors (see below), whose sum is σ = 50004864. Its totient is φ = 8137600.

The previous prime is 20347991. The next prime is 20348017. The reversal of 20348000 is 84302.

It is a super-2 number, since 2×20348000² = 828082208000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20348000.

It is a congruent number.

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, 1457 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (1041768).

Almost surely, 2^20348000 is an apocalyptic number.

20348000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20348000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25002432).

20348000 is an abundant number, since it is smaller than the sum of its proper divisors (29656864).

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

20348000 is an equidigital number, since it uses as much as digits as its factorization.

20348000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20348000 is about 4510.8757464599. The cubic root of 20348000 is about 273.0070798345.

The spelling of 20348000 in words is "twenty million, three hundred forty-eight thousand".