30220933139572 has 96 divisors (see below), whose sum is σ = 63545223168000. Its totient is φ = 12295450307712.

The previous prime is 30220933139569. The next prime is 30220933139629. The reversal of 30220933139572 is 27593133902203.

It is a super-2 number, since 2×30220933139572² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117225429 + ... + 117482947.

It is an arithmetic number, because the mean of its divisors is an integer number (661929408000).

Almost surely, 2^{30220933139572} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30220933139572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31772611584000).

30220933139572 is an abundant number, since it is smaller than the sum of its proper divisors (33324290028428).

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

30220933139572 is a wasteful number, since it uses less digits than its factorization.

30220933139572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258925 (or 258923 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 49.

The spelling of 30220933139572 in words is "thirty trillion, two hundred twenty billion, nine hundred thirty-three million, one hundred thirty-nine thousand, five hundred seventy-two".