32420534421 has 24 divisors (see below), whose sum is σ = 49047131392. Its totient is φ = 19014969600.

The previous prime is 32420534411. The next prime is 32420534453. The reversal of 32420534421 is 12443502423.

It is not a de Polignac number, because 32420534421 - 2⁵ = 32420534389 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 (32420534411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1429276 + ... + 1451781.

Almost surely, 2^32420534421 is an apocalyptic number.

32420534421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32420534421 is a deficient number, since it is larger than the sum of its proper divisors (16626596971).

32420534421 is a wasteful number, since it uses less digits than its factorization.

32420534421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881113 (or 2881102 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The spelling of 32420534421 in words is "thirty-two billion, four hundred twenty million, five hundred thirty-four thousand, four hundred twenty-one".