30202056 has 24 divisors (see below), whose sum is σ = 81797430. Its totient is φ = 10067328.

The previous prime is 30202049. The next prime is 30202063. The reversal of 30202056 is 65020203.

It is an interprime number because it is at equal distance from previous prime (30202049) and next prime (30202063).

It can be written as a sum of positive squares in only one way, i.e., 29877156 + 324900 = 5466^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209665 + ... + 209808.

Almost surely, 2^30202056 is an apocalyptic number.

30202056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30202056 is an abundant number, since it is smaller than the sum of its proper divisors (51595374).

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

30202056 is a wasteful number, since it uses less digits than its factorization.

30202056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419485 (or 419478 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30202056 is about 5495.6397261829. The cubic root of 30202056 is about 311.4192846959.

Adding to 30202056 its reverse (65020203), we get a palindrome (95222259).

The spelling of 30202056 in words is "thirty million, two hundred two thousand, fifty-six".