102034420 has 24 divisors (see below), whose sum is σ = 214558344. Its totient is φ = 40759296.

The previous prime is 102034409. The next prime is 102034421. The reversal of 102034420 is 24430201.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 96707556 = 2308^2 + 9834^2 .

It is a super-2 number, since 2×102034420² = 20822045729472800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102034394 and 102034403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102034421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14164 + ... + 20116.

It is an arithmetic number, because the mean of its divisors is an integer number (8939931).

Almost surely, 2^102034420 is an apocalyptic number.

102034420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102034420 is an abundant number, since it is smaller than the sum of its proper divisors (112523924).

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

102034420 is a wasteful number, since it uses less digits than its factorization.

102034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 102034420 is about 10101.2088385500. The cubic root of 102034420 is about 467.2854229886.

Adding to 102034420 its reverse (24430201), we get a palindrome (126464621).

The spelling of 102034420 in words is "one hundred two million, thirty-four thousand, four hundred twenty".