245101020 has 48 divisors (see below), whose sum is σ = 687230880. Its totient is φ = 65270016.

The previous prime is 245101013. The next prime is 245101027. The reversal of 245101020 is 20101542.

245101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245101013) and next prime (245101027).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48786 + ... + 53574.

It is an arithmetic number, because the mean of its divisors is an integer number (14317310).

Almost surely, 2^245101020 is an apocalyptic number.

245101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245101020 is an abundant number, since it is smaller than the sum of its proper divisors (442129860).

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

245101020 is a wasteful number, since it uses less digits than its factorization.

245101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654 (or 5652 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 245101020 is about 15655.7024754560. The cubic root of 245101020 is about 625.8184647834.

Adding to 245101020 its reverse (20101542), we get a palindrome (265202562).

The spelling of 245101020 in words is "two hundred forty-five million, one hundred one thousand, twenty".