420300142051 has 2 divisors, whose sum is σ = 420300142052.
Its totient is φ = 420300142050.
The previous prime is 420300142049. The next prime is 420300142091. The reversal of 420300142051 is 150241003024.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 420300142051 - 21 = 420300142049 is a prime.
Together with 420300142049, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (420300142021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210150071025 + 210150071026.
It is an arithmetic number, because the mean of its divisors is an integer number (210150071026).
Almost surely, 2420300142051 is an apocalyptic number.
420300142051 is a deficient number, since it is larger than the sum of its proper divisors (1).
420300142051 is an equidigital number, since it uses as much as digits as its factorization.
420300142051 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 420300142051 its reverse (150241003024), we get a palindrome (570541145075).
The spelling of 420300142051 in words is "four hundred twenty billion, three hundred million, one hundred forty-two thousand, fifty-one".