20348372 has 48 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 8668800.

The previous prime is 20348359. The next prime is 20348429. The reversal of 20348372 is 27384302.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46997 + ... + 47427.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^20348372 is an apocalyptic number.

20348372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20348372 is an abundant number, since it is smaller than the sum of its proper divisors (21019948).

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

20348372 is a wasteful number, since it uses less digits than its factorization.

20348372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20348372 is about 4510.9169799499. The cubic root of 20348372 is about 273.0087435199.

The spelling of 20348372 in words is "twenty million, three hundred forty-eight thousand, three hundred seventy-two".