30190761420 has 24 divisors (see below), whose sum is σ = 84534132144. Its totient is φ = 8050869696.

The previous prime is 30190761413. The next prime is 30190761427. The reversal of 30190761420 is 2416709103.

It is an interprime number because it is at equal distance from previous prime (30190761413) and next prime (30190761427).

It is a super-2 number, since 2×30190761420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190761427) 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 7 ways as a sum of consecutive naturals, for example, 251589619 + ... + 251589738.

It is an arithmetic number, because the mean of its divisors is an integer number (3522255506).

Almost surely, 2^30190761420 is an apocalyptic number.

30190761420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30190761420 is an abundant number, since it is smaller than the sum of its proper divisors (54343370724).

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

30190761420 is a wasteful number, since it uses less digits than its factorization.

30190761420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503179369 (or 503179367 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 30190761420 in words is "thirty billion, one hundred ninety million, seven hundred sixty-one thousand, four hundred twenty".