20240210213 has 4 divisors (see below), whose sum is σ = 20376050700. Its totient is φ = 20104369728.

The previous prime is 20240210203. The next prime is 20240210267. The reversal of 20240210213 is 31201204202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8680089889 + 11560120324 = 93167^2 + 107518^2 .

It is a cyclic number.

It is not a de Polignac number, because 20240210213 - 2¹² = 20240206117 is a prime.

It is a super-2 number, since 2×20240210213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20240210191 and 20240210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240210203) 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, 67920020 + ... + 67920317.

It is an arithmetic number, because the mean of its divisors is an integer number (5094012675).

Almost surely, 2^20240210213 is an apocalyptic number.

It is an amenable number.

20240210213 is a deficient number, since it is larger than the sum of its proper divisors (135840487).

20240210213 is a wasteful number, since it uses less digits than its factorization.

20240210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135840486.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20240210213 its reverse (31201204202), we get a palindrome (51441414415).

The spelling of 20240210213 in words is "twenty billion, two hundred forty million, two hundred ten thousand, two hundred thirteen".