20102313441 has 16 divisors (see below), whose sum is σ = 30827210624. Its totient is φ = 11413868544.

The previous prime is 20102313431. The next prime is 20102313457. The reversal of 20102313441 is 14431320102.

It is not a de Polignac number, because 20102313441 - 2¹⁴ = 20102297057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20102313431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045280 + ... + 3051873.

It is an arithmetic number, because the mean of its divisors is an integer number (1926700664).

Almost surely, 2^20102313441 is an apocalyptic number.

20102313441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20102313441 is a deficient number, since it is larger than the sum of its proper divisors (10724897183).

20102313441 is a wasteful number, since it uses less digits than its factorization.

20102313441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097320.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20102313441 its reverse (14431320102), we get a palindrome (34533633543).

The spelling of 20102313441 in words is "twenty billion, one hundred two million, three hundred thirteen thousand, four hundred forty-one".