101502032420 has 24 divisors (see below), whose sum is σ = 213163494264. Its totient is φ = 40599055616.

The previous prime is 101502032393. The next prime is 101502032449. The reversal of 101502032420 is 24230205101.

It can be written as a sum of positive squares in 4 ways, for example, as 4769836096 + 96732196324 = 69064^2 + 311018^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101502032392 and 101502032401.

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, 428024 + ... + 621456.

It is an arithmetic number, because the mean of its divisors is an integer number (8881812261).

Almost surely, 2^101502032420 is an apocalyptic number.

101502032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101502032420 is an abundant number, since it is smaller than the sum of its proper divisors (111661461844).

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

101502032420 is a wasteful number, since it uses less digits than its factorization.

101502032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219679 (or 219677 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 101502032420 its reverse (24230205101), we get a palindrome (125732237521).

The spelling of 101502032420 in words is "one hundred one billion, five hundred two million, thirty-two thousand, four hundred twenty".