20630400162 has 8 divisors (see below), whose sum is σ = 41260800336. Its totient is φ = 6876800052.

The previous prime is 20630400143. The next prime is 20630400163. The reversal of 20630400162 is 26100403602.

It is a sphenic number, since it is the product of 3 distinct primes.

20630400162 is an admirable number.

It is a super-2 number, since 2×20630400162² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20630400163) 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, 1719200008 + ... + 1719200019.

It is an arithmetic number, because the mean of its divisors is an integer number (5157600042).

Almost surely, 2^20630400162 is an apocalyptic number.

20630400162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20630400162 is a wasteful number, since it uses less digits than its factorization.

20630400162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438400032.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20630400162 its reverse (26100403602), we get a palindrome (46730803764).

The spelling of 20630400162 in words is "twenty billion, six hundred thirty million, four hundred thousand, one hundred sixty-two".