162020631 has 8 divisors (see below), whose sum is σ = 217729024. Its totient is φ = 107163000.

The previous prime is 162020623. The next prime is 162020641. The reversal of 162020631 is 136020261.

It is a happy number.

162020631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 162020631 - 2³ = 162020623 is a prime.

It is a super-2 number, since 2×162020631² = 52501369739276322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162020598 and 162020607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162020641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212245 + ... + 213006.

It is an arithmetic number, because the mean of its divisors is an integer number (27216128).

Almost surely, 2^162020631 is an apocalyptic number.

162020631 is a deficient number, since it is larger than the sum of its proper divisors (55708393).

162020631 is a wasteful number, since it uses less digits than its factorization.

162020631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425381.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 162020631 is about 12728.7324977784. The cubic root of 162020631 is about 545.1593182346.

Adding to 162020631 its reverse (136020261), we get a palindrome (298040892).

The spelling of 162020631 in words is "one hundred sixty-two million, twenty thousand, six hundred thirty-one".