30203132221020 has 192 divisors, whose sum is σ = 93629152512000. Its totient is φ = 7213463562240.

The previous prime is 30203132220991. The next prime is 30203132221051. The reversal of 30203132221020 is 2012223130203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23194206 + ... + 24461754.

It is an arithmetic number, because the mean of its divisors is an integer number (487651836000).

Almost surely, 2^{30203132221020} is an apocalyptic number.

30203132221020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203132221020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46814576256000).

30203132221020 is an abundant number, since it is smaller than the sum of its proper divisors (63426020290980).

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

30203132221020 is a wasteful number, since it uses less digits than its factorization.

30203132221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268108 (or 1268106 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30203132221020 its reverse (2012223130203), we get a palindrome (32215355351223).

The spelling of 30203132221020 in words is "thirty trillion, two hundred three billion, one hundred thirty-two million, two hundred twenty-one thousand, twenty".