30010001020 has 24 divisors (see below), whose sum is σ = 64361876544. Its totient is φ = 11748595776.

The previous prime is 30010001017. The next prime is 30010001027. The reversal of 30010001020 is 2010001003.

It is a super-2 number, since 2×30010001020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30010000994 and 30010001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010001027) 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, 15961827 + ... + 15963706.

It is an arithmetic number, because the mean of its divisors is an integer number (2681744856).

Almost surely, 2^30010001020 is an apocalyptic number.

It is an amenable number.

30010001020 is an abundant number, since it is smaller than the sum of its proper divisors (34351875524).

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

30010001020 is a wasteful number, since it uses less digits than its factorization.

30010001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31925589 (or 31925587 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 30010001020 its reverse (2010001003), we get a palindrome (32020002023).

The spelling of 30010001020 in words is "thirty billion, ten million, one thousand, twenty".