20213498 has 8 divisors (see below), whose sum is σ = 30772992. Its totient is φ = 9955836.

The previous prime is 20213497. The next prime is 20213503. The reversal of 20213498 is 89431202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20213498.

It is not an unprimeable number, because it can be changed into a prime (20213497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75290 + ... + 75557.

It is an arithmetic number, because the mean of its divisors is an integer number (3846624).

Almost surely, 2^20213498 is an apocalyptic number.

20213498 is a deficient number, since it is larger than the sum of its proper divisors (10559494).

20213498 is a wasteful number, since it uses less digits than its factorization.

20213498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150916.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20213498 is about 4495.9423928694. The cubic root of 20213498 is about 272.4042162588.

The spelling of 20213498 in words is "twenty million, two hundred thirteen thousand, four hundred ninety-eight".