20468471025 has 12 divisors (see below), whose sum is σ = 33841205552. Its totient is φ = 10916517840.

The previous prime is 20468471021. The next prime is 20468471027. The reversal of 20468471025 is 52017486402.

It is not a de Polignac number, because 20468471025 - 2² = 20468471021 is a prime.

It is a super-2 number, since 2×20468471025² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468471021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136456399 + ... + 136456548.

Almost surely, 2^20468471025 is an apocalyptic number.

20468471025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20468471025 is a deficient number, since it is larger than the sum of its proper divisors (13372734527).

20468471025 is a wasteful number, since it uses less digits than its factorization.

20468471025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272912960 (or 272912955 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 20468471025 in words is "twenty billion, four hundred sixty-eight million, four hundred seventy-one thousand, twenty-five".