420203204203101 has 16 divisors (see below), whose sum is σ = 625418722536960. Its totient is φ = 248746082825520.

The previous prime is 420203204203099. The next prime is 420203204203109. The reversal of 420203204203101 is 101302402302024.

It is a happy number.

It is not a de Polignac number, because 420203204203101 - 2¹ = 420203204203099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420203204203109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148063143121 + ... + 148063145958.

It is an arithmetic number, because the mean of its divisors is an integer number (39088670158560).

Almost surely, 2^{420203204203101} is an apocalyptic number.

It is an amenable number.

420203204203101 is a deficient number, since it is larger than the sum of its proper divisors (205215518333859).

420203204203101 is a wasteful number, since it uses less digits than its factorization.

420203204203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296126289136.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420203204203101 its reverse (101302402302024), we get a palindrome (521505606505125).

The spelling of 420203204203101 in words is "four hundred twenty trillion, two hundred three billion, two hundred four million, two hundred three thousand, one hundred one".