245020614820 has 24 divisors (see below), whose sum is σ = 515126049984. Its totient is φ = 97897244256.

The previous prime is 245020614791. The next prime is 245020614877. The reversal of 245020614820 is 28416020542.

It is an unprimeable number.

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, 6919504 + ... + 6954823.

It is an arithmetic number, because the mean of its divisors is an integer number (21463585416).

Almost surely, 2^245020614820 is an apocalyptic number.

245020614820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245020614820 is an abundant number, since it is smaller than the sum of its proper divisors (270105435164).

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

245020614820 is a wasteful number, since it uses less digits than its factorization.

245020614820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875219 (or 13875217 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 245020614820 in words is "two hundred forty-five billion, twenty million, six hundred fourteen thousand, eight hundred twenty".