10154244420 has 72 divisors (see below), whose sum is σ = 30824266200. Its totient is φ = 2705771520.

The previous prime is 10154244409. The next prime is 10154244427. The reversal of 10154244420 is 2444245101.

It can be written as a sum of positive squares in 4 ways, for example, as 1469495556 + 8684748864 = 38334^2 + 93192^2 .

It is a super-2 number, since 2×10154244420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10154244427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228156 + ... + 269004.

Almost surely, 2^10154244420 is an apocalyptic number.

10154244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10154244420 is an abundant number, since it is smaller than the sum of its proper divisors (20670021780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10154244420 is a wasteful number, since it uses less digits than its factorization.

10154244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42245 (or 42240 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 10154244420 its reverse (2444245101), we get a palindrome (12598489521).

The spelling of 10154244420 in words is "ten billion, one hundred fifty-four million, two hundred forty-four thousand, four hundred twenty".