245130432420 has 48 divisors (see below), whose sum is σ = 693441157248. Its totient is φ = 64694215680.

The previous prime is 245130432409. The next prime is 245130432427. The reversal of 245130432420 is 24234031542.

245130432420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (245130432427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21053496 + ... + 21065135.

It is an arithmetic number, because the mean of its divisors is an integer number (14446690776).

Almost surely, 2^245130432420 is an apocalyptic number.

245130432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245130432420 is an abundant number, since it is smaller than the sum of its proper divisors (448310724828).

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

245130432420 is a wasteful number, since it uses less digits than its factorization.

245130432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42118740 (or 42118738 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 245130432420 its reverse (24234031542), we get a palindrome (269364463962).

The spelling of 245130432420 in words is "two hundred forty-five billion, one hundred thirty million, four hundred thirty-two thousand, four hundred twenty".