20012162162 has 8 divisors (see below), whose sum is σ = 30293640300. Its totient is φ = 9914282064.

The previous prime is 20012162143. The next prime is 20012162173. The reversal of 20012162162 is 26126121002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18211772401 + 1800389761 = 134951^2 + 42431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45899237 + ... + 45899672.

Almost surely, 2^20012162162 is an apocalyptic number.

20012162162 is a deficient number, since it is larger than the sum of its proper divisors (10281478138).

20012162162 is a wasteful number, since it uses less digits than its factorization.

20012162162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91799020.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20012162162 its reverse (26126121002), we get a palindrome (46138283164).

The spelling of 20012162162 in words is "twenty billion, twelve million, one hundred sixty-two thousand, one hundred sixty-two".