30215202441420 has 192 divisors, whose sum is σ = 86297747558400. Its totient is φ = 7897497753600.

The previous prime is 30215202441409. The next prime is 30215202441421. The reversal of 30215202441420 is 2414420251203.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30215202441421) 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, 1151612542 + ... + 1151638778.

It is an arithmetic number, because the mean of its divisors is an integer number (449467435200).

Almost surely, 2^{30215202441420} is an apocalyptic number.

30215202441420 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 30215202441420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43148873779200).

30215202441420 is an abundant number, since it is smaller than the sum of its proper divisors (56082545116980).

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

30215202441420 is a wasteful number, since it uses less digits than its factorization.

30215202441420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28088 (or 28086 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 30215202441420 its reverse (2414420251203), we get a palindrome (32629622692623).

The spelling of 30215202441420 in words is "thirty trillion, two hundred fifteen billion, two hundred two million, four hundred forty-one thousand, four hundred twenty".