420100742162 has 8 divisors (see below), whose sum is σ = 637231463100. Its totient is φ = 207690254464.

The previous prime is 420100742129. The next prime is 420100742167. The reversal of 420100742162 is 261247001024.

It can be written as a sum of positive squares in 2 ways, for example, as 322918291081 + 97182451081 = 568259^2 + 311741^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420100742167) 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, 1180058087 + ... + 1180058442.

Almost surely, 2^420100742162 is an apocalyptic number.

420100742162 is a deficient number, since it is larger than the sum of its proper divisors (217130720938).

420100742162 is a wasteful number, since it uses less digits than its factorization.

420100742162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360116620.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 420100742162 its reverse (261247001024), we get a palindrome (681347743186).

The spelling of 420100742162 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, one hundred sixty-two".