420200154101 has 48 divisors (see below), whose sum is σ = 539133243264. Its totient is φ = 324440919936.

The previous prime is 420200154089. The next prime is 420200154109. The reversal of 420200154101 is 101451002024.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-420200154101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420200154109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33218960 + ... + 33231606.

It is an arithmetic number, because the mean of its divisors is an integer number (11231942568).

Almost surely, 2^420200154101 is an apocalyptic number.

It is an amenable number.

420200154101 is a deficient number, since it is larger than the sum of its proper divisors (118933089163).

420200154101 is a wasteful number, since it uses less digits than its factorization.

420200154101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 420200154101 its reverse (101451002024), we get a palindrome (521651156125).

The spelling of 420200154101 in words is "four hundred twenty billion, two hundred million, one hundred fifty-four thousand, one hundred one".