20462022 has 48 divisors (see below), whose sum is σ = 50948352. Its totient is φ = 5814000.

The previous prime is 20462017. The next prime is 20462041. The reversal of 20462022 is 22026402.

It is a happy number.

20462022 is a `hidden beast` number, since 20 + 4 + 620 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20461986 and 20462004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31303 + ... + 31949.

It is an arithmetic number, because the mean of its divisors is an integer number (1061424).

Almost surely, 2^20462022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20462022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25474176).

20462022 is an abundant number, since it is smaller than the sum of its proper divisors (30486330).

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

20462022 is a wasteful number, since it uses less digits than its factorization.

20462022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20462022 is about 4523.4966563489. The cubic root of 20462022 is about 273.5160708761.

Adding to 20462022 its reverse (22026402), we get a palindrome (42488424).

It can be divided in two parts, 204 and 62022, that added together give a palindrome (62226).

The spelling of 20462022 in words is "twenty million, four hundred sixty-two thousand, twenty-two".