20348455 has 8 divisors (see below), whose sum is σ = 24444000. Its totient is φ = 16261536.

The previous prime is 20348453. The next prime is 20348501. The reversal of 20348455 is 55484302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20348455 - 2¹ = 20348453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20348453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 8449.

It is an arithmetic number, because the mean of its divisors is an integer number (3055500).

Almost surely, 2^20348455 is an apocalyptic number.

20348455 is a deficient number, since it is larger than the sum of its proper divisors (4095545).

20348455 is a wasteful number, since it uses less digits than its factorization.

20348455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 20348455 is about 4510.9261798438. The cubic root of 20348455 is about 273.0091147158.

The spelling of 20348455 in words is "twenty million, three hundred forty-eight thousand, four hundred fifty-five".