20493462 has 16 divisors (see below), whose sum is σ = 44713152. Its totient is φ = 6210120.

The previous prime is 20493461. The next prime is 20493463. The reversal of 20493462 is 26439402.

It is an interprime number because it is at equal distance from previous prime (20493461) and next prime (20493463).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20493461) 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, 155188 + ... + 155319.

It is an arithmetic number, because the mean of its divisors is an integer number (2794572).

Almost surely, 2^20493462 is an apocalyptic number.

20493462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20493462 is an abundant number, since it is smaller than the sum of its proper divisors (24219690).

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

20493462 is a wasteful number, since it uses less digits than its factorization.

20493462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310523.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20493462 is about 4526.9705101757. The cubic root of 20493462 is about 273.6560854637.

The spelling of 20493462 in words is "twenty million, four hundred ninety-three thousand, four hundred sixty-two".