420505115532 has 24 divisors (see below), whose sum is σ = 997808750400. Its totient is φ = 137792636496.

The previous prime is 420505115509. The next prime is 420505115543. The reversal of 420505115532 is 235511505024.

It is a junction number, because it is equal to n+sod(n) for n = 420505115493 and 420505115502.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 296966182 + ... + 296967597.

It is an arithmetic number, because the mean of its divisors is an integer number (41575364600).

Almost surely, 2^420505115532 is an apocalyptic number.

It is an amenable number.

420505115532 is an abundant number, since it is smaller than the sum of its proper divisors (577303634868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420505115532 is a wasteful number, since it uses less digits than its factorization.

420505115532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593933845 (or 593933843 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 420505115532 in words is "four hundred twenty billion, five hundred five million, one hundred fifteen thousand, five hundred thirty-two".