20200550425 has 24 divisors (see below), whose sum is σ = 27534478752. Its totient is φ = 14579136000.

The previous prime is 20200550413. The next prime is 20200550477. The reversal of 20200550425 is 52405500202.

It is a happy number.

It is not a de Polignac number, because 20200550425 - 2⁹ = 20200549913 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20200550425.

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, 244344 + ... + 316393.

It is an arithmetic number, because the mean of its divisors is an integer number (1147269948).

Almost surely, 2^20200550425 is an apocalyptic number.

20200550425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20200550425 is a deficient number, since it is larger than the sum of its proper divisors (7333928327).

20200550425 is a wasteful number, since it uses less digits than its factorization.

20200550425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560889 (or 560884 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 20200550425 in words is "twenty billion, two hundred million, five hundred fifty thousand, four hundred twenty-five".