420154052533 has 16 divisors (see below), whose sum is σ = 443616249600. Its totient is φ = 397345798080.

The previous prime is 420154052501. The next prime is 420154052557. The reversal of 420154052533 is 335250451024.

It is not a de Polignac number, because 420154052533 - 2⁵ = 420154052501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420154082533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74091 + ... + 919672.

It is an arithmetic number, because the mean of its divisors is an integer number (27726015600).

Almost surely, 2^420154052533 is an apocalyptic number.

It is an amenable number.

420154052533 is a deficient number, since it is larger than the sum of its proper divisors (23462197067).

420154052533 is a wasteful number, since it uses less digits than its factorization.

420154052533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994092.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 420154052533 in words is "four hundred twenty billion, one hundred fifty-four million, fifty-two thousand, five hundred thirty-three".