20251035530130 has 96 divisors (see below), whose sum is σ = 51367511793600. Its totient is φ = 5108833275264.

The previous prime is 20251035530129. The next prime is 20251035530147. The reversal of 20251035530130 is 3103553015202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6359781 + ... + 8997159.

It is an arithmetic number, because the mean of its divisors is an integer number (535078247850).

Almost surely, 2^{20251035530130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20251035530130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25683755896800).

20251035530130 is an abundant number, since it is smaller than the sum of its proper divisors (31116476263470).

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

20251035530130 is a wasteful number, since it uses less digits than its factorization.

20251035530130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638136 (or 2638117 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 20251035530130 its reverse (3103553015202), we get a palindrome (23354588545332).

The spelling of 20251035530130 in words is "twenty trillion, two hundred fifty-one billion, thirty-five million, five hundred thirty thousand, one hundred thirty".