20898462 has 16 divisors (see below), whose sum is σ = 45012240. Its totient is φ = 6430272.

The previous prime is 20898443. The next prime is 20898481. The reversal of 20898462 is 26489802.

It is an interprime number because it is at equal distance from previous prime (20898443) and next prime (20898481).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 20898462.

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, 133887 + ... + 134042.

It is an arithmetic number, because the mean of its divisors is an integer number (2813265).

Almost surely, 2^20898462 is an apocalyptic number.

20898462 is an abundant number, since it is smaller than the sum of its proper divisors (24113778).

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

20898462 is a wasteful number, since it uses less digits than its factorization.

20898462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267947.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 20898462 is about 4571.4835666335. The cubic root of 20898462 is about 275.4470392915.

The spelling of 20898462 in words is "twenty million, eight hundred ninety-eight thousand, four hundred sixty-two".