30205205777252 has 36 divisors (see below), whose sum is σ = 58104004166208. Its totient is φ = 13729008466800.

The previous prime is 30205205777221. The next prime is 30205205777317. The reversal of 30205205777252 is 25277750250203.

It is a super-2 number, since 2×30205205777252² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30205205777197 and 30205205777206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9198377 + ... + 12042447.

It is an arithmetic number, because the mean of its divisors is an integer number (1614000115728).

Almost surely, 2^{30205205777252} is an apocalyptic number.

It is an amenable number.

30205205777252 is a deficient number, since it is larger than the sum of its proper divisors (27898798388956).

30205205777252 is a wasteful number, since it uses less digits than its factorization.

30205205777252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866040 (or 2866027 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 47.

The spelling of 30205205777252 in words is "thirty trillion, two hundred five billion, two hundred five million, seven hundred seventy-seven thousand, two hundred fifty-two".