20462046 has 64 divisors (see below), whose sum is σ = 47056896. Its totient is φ = 5875200.

The previous prime is 20462041. The next prime is 20462047. The reversal of 20462046 is 64026402.

It is a super-2 number, since 2×20462046² = 837390653012232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20462041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149290 + ... + 149426.

It is an arithmetic number, because the mean of its divisors is an integer number (735264).

Almost surely, 2^20462046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20462046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23528448).

20462046 is an abundant number, since it is smaller than the sum of its proper divisors (26594850).

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

20462046 is a wasteful number, since it uses less digits than its factorization.

20462046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20462046 is about 4523.4993091632. The cubic root of 20462046 is about 273.5161778122.

Adding to 20462046 its reverse (64026402), we get a palindrome (84488448).

The spelling of 20462046 in words is "twenty million, four hundred sixty-two thousand, forty-six".