245715020 has 24 divisors (see below), whose sum is σ = 516520368. Its totient is φ = 98187200.

The previous prime is 245714993. The next prime is 245715031. The reversal of 245715020 is 20517542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16190 + ... + 27450.

It is an arithmetic number, because the mean of its divisors is an integer number (21521682).

Almost surely, 2^245715020 is an apocalyptic number.

245715020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245715020 is an abundant number, since it is smaller than the sum of its proper divisors (270805348).

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

245715020 is a wasteful number, since it uses less digits than its factorization.

245715020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12361 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 245715020 is about 15675.2996781561. The cubic root of 245715020 is about 626.3406061177.

The spelling of 245715020 in words is "two hundred forty-five million, seven hundred fifteen thousand, twenty".