20220025 has 24 divisors (see below), whose sum is σ = 28837440. Its totient is φ = 13776960.

The previous prime is 20220023. The next prime is 20220041. The reversal of 20220025 is 52002202.

It is not a de Polignac number, because 20220025 - 2¹ = 20220023 is a prime.

It is a super-2 number, since 2×20220025² = 817698822001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20219987 and 20220014.

It is not an unprimeable number, because it can be changed into a prime (20220023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39471 + ... + 39979.

It is an arithmetic number, because the mean of its divisors is an integer number (1201560).

Almost surely, 2^20220025 is an apocalyptic number.

20220025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20220025 is a deficient number, since it is larger than the sum of its proper divisors (8617415).

20220025 is a wasteful number, since it uses less digits than its factorization.

20220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 20220025 is about 4496.6682110202. The cubic root of 20220025 is about 272.4335331536.

Adding to 20220025 its reverse (52002202), we get a palindrome (72222227).

The spelling of 20220025 in words is "twenty million, two hundred twenty thousand, twenty-five".