20102242430 has 32 divisors (see below), whose sum is σ = 37096735104. Its totient is φ = 7838794656.

The previous prime is 20102242379. The next prime is 20102242441. The reversal of 20102242430 is 3424220102.

It is a congruent number.

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, 180197 + ... + 269583.

It is an arithmetic number, because the mean of its divisors is an integer number (1159272972).

Almost surely, 2^20102242430 is an apocalyptic number.

20102242430 is a deficient number, since it is larger than the sum of its proper divisors (16994492674).

20102242430 is a wasteful number, since it uses less digits than its factorization.

20102242430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89960.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20102242430 its reverse (3424220102), we get a palindrome (23526462532).

The spelling of 20102242430 in words is "twenty billion, one hundred two million, two hundred forty-two thousand, four hundred thirty".