20102411430 has 144 divisors (see below), whose sum is σ = 55789287840. Its totient is φ = 5004721152.

The previous prime is 20102411423. The next prime is 20102411431. The reversal of 20102411430 is 3411420102.

20102411430 is a `hidden beast` number, since 201 + 0 + 24 + 11 + 430 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102411431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45791151 + ... + 45791589.

It is an arithmetic number, because the mean of its divisors is an integer number (387425610).

Almost surely, 2^20102411430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102411430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27894643920).

20102411430 is an abundant number, since it is smaller than the sum of its proper divisors (35686876410).

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

20102411430 is a wasteful number, since it uses less digits than its factorization.

20102411430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20102411430 its reverse (3411420102), we get a palindrome (23513831532).

The spelling of 20102411430 in words is "twenty billion, one hundred two million, four hundred eleven thousand, four hundred thirty".