20204100324 has 48 divisors (see below), whose sum is σ = 52844581440. Its totient is φ = 6675096960.

The previous prime is 20204100317. The next prime is 20204100377. The reversal of 20204100324 is 42300140202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20204100297 and 20204100306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815562 + ... + 839969.

It is an arithmetic number, because the mean of its divisors is an integer number (1100928780).

Almost surely, 2^20204100324 is an apocalyptic number.

It is an amenable number.

20204100324 is an abundant number, since it is smaller than the sum of its proper divisors (32640481116).

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

20204100324 is a wasteful number, since it uses less digits than its factorization.

20204100324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655657 (or 1655649 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20204100324 its reverse (42300140202), we get a palindrome (62504240526).

The spelling of 20204100324 in words is "twenty billion, two hundred four million, one hundred thousand, three hundred twenty-four".