20254101284 has 12 divisors (see below), whose sum is σ = 35450440284. Its totient is φ = 10125404064.

The previous prime is 20254101281. The next prime is 20254101331. The reversal of 20254101284 is 48210145202.

It can be written as a sum of positive squares in 2 ways, for example, as 7315038784 + 12939062500 = 85528^2 + 113750^2 .

It is not an unprimeable number, because it can be changed into a prime (20254101281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383759 + ... + 433334.

It is an arithmetic number, because the mean of its divisors is an integer number (2954203357).

Almost surely, 2^20254101284 is an apocalyptic number.

It is an amenable number.

20254101284 is a deficient number, since it is larger than the sum of its proper divisors (15196339000).

20254101284 is a wasteful number, since it uses less digits than its factorization.

20254101284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823294 (or 823292 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 20254101284 its reverse (48210145202), we get a palindrome (68464246486).

The spelling of 20254101284 in words is "twenty billion, two hundred fifty-four million, one hundred one thousand, two hundred eighty-four".