102404242001020 has 48 divisors (see below), whose sum is σ = 218229953070528. Its totient is φ = 40356588715520.

The previous prime is 102404242000969. The next prime is 102404242001021. The reversal of 102404242001020 is 20100242404201.

It is a junction number, because it is equal to n+sod(n) for n = 102404242000982 and 102404242001000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102404242001021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23127619 + ... + 27197338.

It is an arithmetic number, because the mean of its divisors is an integer number (4546457355636).

Almost surely, 2^{102404242001020} is an apocalyptic number.

102404242001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102404242001020 is an abundant number, since it is smaller than the sum of its proper divisors (115825711069508).

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

102404242001020 is a wasteful number, since it uses less digits than its factorization.

102404242001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50326470 (or 50326468 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102404242001020 its reverse (20100242404201), we get a palindrome (122504484405221).

The spelling of 102404242001020 in words is "one hundred two trillion, four hundred four billion, two hundred forty-two million, one thousand, twenty".