20021411254 has 8 divisors (see below), whose sum is σ = 32342279760. Its totient is φ = 9240651336.

The previous prime is 20021411237. The next prime is 20021411261. The reversal of 20021411254 is 45211412002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385027114 + ... + 385027165.

It is an arithmetic number, because the mean of its divisors is an integer number (4042784970).

Almost surely, 2^20021411254 is an apocalyptic number.

20021411254 is a deficient number, since it is larger than the sum of its proper divisors (12320868506).

20021411254 is a wasteful number, since it uses less digits than its factorization.

20021411254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770054294.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20021411254 its reverse (45211412002), we get a palindrome (65232823256).

The spelling of 20021411254 in words is "twenty billion, twenty-one million, four hundred eleven thousand, two hundred fifty-four".