20220021220254 has 16 divisors (see below), whose sum is σ = 40621387924992. Its totient is φ = 6709782826008.

The previous prime is 20220021220253. The next prime is 20220021220277. The reversal of 20220021220254 is 45202212002202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220021220253) 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, 7556060404 + ... + 7556063079.

It is an arithmetic number, because the mean of its divisors is an integer number (2538836745312).

Almost surely, 2^{20220021220254} is an apocalyptic number.

20220021220254 is an abundant number, since it is smaller than the sum of its proper divisors (20401366704738).

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

20220021220254 is a wasteful number, since it uses less digits than its factorization.

20220021220254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112123711.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 20220021220254 its reverse (45202212002202), we get a palindrome (65422233222456).

The spelling of 20220021220254 in words is "twenty trillion, two hundred twenty billion, twenty-one million, two hundred twenty thousand, two hundred fifty-four".