102303401020 has 24 divisors (see below), whose sum is σ = 216037357200. Its totient is φ = 40692748032.

The previous prime is 102303400973. The next prime is 102303401027. The reversal of 102303401020 is 20104303201.

It is a happy number.

It is a super-4 number, since 4×102303401020⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102303400985 and 102303401003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303401027) 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, 14284605 + ... + 14291764.

It is an arithmetic number, because the mean of its divisors is an integer number (9001556550).

Almost surely, 2^102303401020 is an apocalyptic number.

102303401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102303401020 is an abundant number, since it is smaller than the sum of its proper divisors (113733956180).

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

102303401020 is a wasteful number, since it uses less digits than its factorization.

102303401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28576557 (or 28576555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102303401020 its reverse (20104303201), we get a palindrome (122407704221).

The spelling of 102303401020 in words is "one hundred two billion, three hundred three million, four hundred one thousand, twenty".