245211320 has 32 divisors (see below), whose sum is σ = 552171600. Its totient is φ = 98005248.

The previous prime is 245211311. The next prime is 245211341. The reversal of 245211320 is 23112542.

245211320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245211320² = 120257182912284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 245211292 and 245211301.

It is a congruent number.

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, 93791 + ... + 96369.

Almost surely, 2^245211320 is an apocalyptic number.

245211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245211320 is an abundant number, since it is smaller than the sum of its proper divisors (306960280).

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

245211320 is a wasteful number, since it uses less digits than its factorization.

245211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 245211320 is about 15659.2247573116. The cubic root of 245211320 is about 625.9123273395.

Adding to 245211320 its reverse (23112542), we get a palindrome (268323862).

The spelling of 245211320 in words is "two hundred forty-five million, two hundred eleven thousand, three hundred twenty".