20021462 has 8 divisors (see below), whose sum is σ = 30078216. Its totient is φ = 9995392.

The previous prime is 20021429. The next prime is 20021467. The reversal of 20021462 is 26412002.

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 20021462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021467) 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, 5963 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (3759777).

Almost surely, 2^20021462 is an apocalyptic number.

20021462 is a deficient number, since it is larger than the sum of its proper divisors (10056754).

20021462 is a wasteful number, since it uses less digits than its factorization.

20021462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20021462 is about 4474.5348361589. The cubic root of 20021462 is about 271.5388216675.

Adding to 20021462 its reverse (26412002), we get a palindrome (46433464).

The spelling of 20021462 in words is "twenty million, twenty-one thousand, four hundred sixty-two".