101234532420 has 72 divisors (see below), whose sum is σ = 350946383424. Its totient is φ = 23139321408.

The previous prime is 101234532409. The next prime is 101234532433. The reversal of 101234532420 is 24235432101.

101234532420 is a `hidden beast` number, since 1 + 0 + 1 + 234 + 5 + 3 + 2 + 420 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40171174 + ... + 40173693.

Almost surely, 2^101234532420 is an apocalyptic number.

101234532420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101234532420 is an abundant number, since it is smaller than the sum of its proper divisors (249711851004).

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

101234532420 is a wasteful number, since it uses less digits than its factorization.

101234532420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80344889 (or 80344884 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 101234532420 its reverse (24235432101), we get a palindrome (125469964521).

The spelling of 101234532420 in words is "one hundred one billion, two hundred thirty-four million, five hundred thirty-two thousand, four hundred twenty".