20243462 has 4 divisors (see below), whose sum is σ = 30365196. Its totient is φ = 10121730.

The previous prime is 20243407. The next prime is 20243467. The reversal of 20243462 is 26434202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26434202 = 2 ⋅13217101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060864 + ... + 5060867.

It is an arithmetic number, because the mean of its divisors is an integer number (7591299).

Almost surely, 2^20243462 is an apocalyptic number.

20243462 is a deficient number, since it is larger than the sum of its proper divisors (10121734).

20243462 is a wasteful number, since it uses less digits than its factorization.

20243462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121733.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 20243462 is about 4499.2734969104. The cubic root of 20243462 is about 272.5387516082.

Adding to 20243462 its reverse (26434202), we get a palindrome (46677664).

The spelling of 20243462 in words is "twenty million, two hundred forty-three thousand, four hundred sixty-two".