20211200130 has 128 divisors (see below), whose sum is σ = 54308745216. Its totient is φ = 4771468800.

The previous prime is 20211200129. The next prime is 20211200131. The reversal of 20211200130 is 3100211202.

It is an interprime number because it is at equal distance from previous prime (20211200129) and next prime (20211200131).

It is a super-2 number, since 2×20211200130² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211200131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5205790 + ... + 5209670.

It is an arithmetic number, because the mean of its divisors is an integer number (424287072).

Almost surely, 2^20211200130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20211200130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27154372608).

20211200130 is an abundant number, since it is smaller than the sum of its proper divisors (34097545086).

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

20211200130 is a wasteful number, since it uses less digits than its factorization.

20211200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20211200130 its reverse (3100211202), we get a palindrome (23311411332).

The spelling of 20211200130 in words is "twenty billion, two hundred eleven million, two hundred thousand, one hundred thirty".