220205142025 has 24 divisors (see below), whose sum is σ = 305928258624. Its totient is φ = 155820830400.

The previous prime is 220205142013. The next prime is 220205142041. The reversal of 220205142025 is 520241502022.

It is not a de Polignac number, because 220205142025 - 2²⁵ = 220171587593 is a prime.

It is a super-2 number, since 2×220205142025² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10810717 + ... + 10831066.

It is an arithmetic number, because the mean of its divisors is an integer number (12747010776).

Almost surely, 2^220205142025 is an apocalyptic number.

220205142025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220205142025 is a deficient number, since it is larger than the sum of its proper divisors (85723116599).

220205142025 is a wasteful number, since it uses less digits than its factorization.

220205142025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641841 (or 21641836 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 220205142025 its reverse (520241502022), we get a palindrome (740446644047).

The spelling of 220205142025 in words is "two hundred twenty billion, two hundred five million, one hundred forty-two thousand, twenty-five".