20321400130 has 16 divisors (see below), whose sum is σ = 36675040320. Its totient is φ = 8107111152.

The previous prime is 20321400101. The next prime is 20321400133. The reversal of 20321400130 is 3100412302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20321400133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2677134 + ... + 2684713.

It is an arithmetic number, because the mean of its divisors is an integer number (2292190020).

Almost surely, 2^20321400130 is an apocalyptic number.

20321400130 is a deficient number, since it is larger than the sum of its proper divisors (16353640190).

20321400130 is a wasteful number, since it uses less digits than its factorization.

20321400130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362233.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20321400130 its reverse (3100412302), we get a palindrome (23421812432).

The spelling of 20321400130 in words is "twenty billion, three hundred twenty-one million, four hundred thousand, one hundred thirty".