30214123020 has 144 divisors (see below), whose sum is σ = 94596203520. Its totient is φ = 7802137728.

The previous prime is 30214122931. The next prime is 30214123021. The reversal of 30214123020 is 2032141203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30214122984 and 30214123002.

It is not an unprimeable number, because it can be changed into a prime (30214123021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690309 + ... + 732771.

It is an arithmetic number, because the mean of its divisors is an integer number (656918080).

Almost surely, 2^30214123020 is an apocalyptic number.

30214123020 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 30214123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47298101760).

30214123020 is an abundant number, since it is smaller than the sum of its proper divisors (64382080500).

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

30214123020 is a wasteful number, since it uses less digits than its factorization.

30214123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42604 (or 42599 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30214123020 its reverse (2032141203), we get a palindrome (32246264223).

The spelling of 30214123020 in words is "thirty billion, two hundred fourteen million, one hundred twenty-three thousand, twenty".