20223402121 has 8 divisors (see below), whose sum is σ = 21782464704. Its totient is φ = 18664827600.

The previous prime is 20223402103. The next prime is 20223402127. The reversal of 20223402121 is 12120432202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20223402121 - 2⁹ = 20223401609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20223402127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33571 + ... + 203896.

It is an arithmetic number, because the mean of its divisors is an integer number (2722808088).

Almost surely, 2^20223402121 is an apocalyptic number.

It is an amenable number.

20223402121 is a deficient number, since it is larger than the sum of its proper divisors (1559062583).

20223402121 is a wasteful number, since it uses less digits than its factorization.

20223402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244031.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20223402121 its reverse (12120432202), we get a palindrome (32343834323).

The spelling of 20223402121 in words is "twenty billion, two hundred twenty-three million, four hundred two thousand, one hundred twenty-one".