245650020 has 96 divisors (see below), whose sum is σ = 857558016. Its totient is φ = 51043200.

The previous prime is 245650019. The next prime is 245650033. The reversal of 245650020 is 20056542.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21966 + ... + 31205.

It is an arithmetic number, because the mean of its divisors is an integer number (8932896).

Almost surely, 2^245650020 is an apocalyptic number.

245650020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245650020 is an abundant number, since it is smaller than the sum of its proper divisors (611907996).

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

245650020 is a wasteful number, since it uses less digits than its factorization.

245650020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53201 (or 53199 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 245650020 is about 15673.2262154287. The cubic root of 245650020 is about 626.2853717656.

The spelling of 245650020 in words is "two hundred forty-five million, six hundred fifty thousand, twenty".