420101535 has 64 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 177641472.

The previous prime is 420101527. The next prime is 420101567. The reversal of 420101535 is 535101024.

It is not a de Polignac number, because 420101535 - 2³ = 420101527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103321 + ... + 107309.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2^420101535 is an apocalyptic number.

420101535 is a deficient number, since it is larger than the sum of its proper divisors (407264865).

420101535 is a wasteful number, since it uses less digits than its factorization.

420101535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 420101535 is about 20496.3785825692. The cubic root of 420101535 is about 748.9475816895.

Adding to 420101535 its reverse (535101024), we get a palindrome (955202559).

The spelling of 420101535 in words is "four hundred twenty million, one hundred one thousand, five hundred thirty-five".