20223025454 has 16 divisors (see below), whose sum is σ = 30928394592. Its totient is φ = 9913826208.

The previous prime is 20223025423. The next prime is 20223025469. The reversal of 20223025454 is 45452032202.

It is a super-2 number, since 2×20223025454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88367 + ... + 219669.

It is an arithmetic number, because the mean of its divisors is an integer number (1933024662).

Almost surely, 2^20223025454 is an apocalyptic number.

20223025454 is a deficient number, since it is larger than the sum of its proper divisors (10705369138).

20223025454 is a wasteful number, since it uses less digits than its factorization.

20223025454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132811.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20223025454 its reverse (45452032202), we get a palindrome (65675057656).

The spelling of 20223025454 in words is "twenty billion, two hundred twenty-three million, twenty-five thousand, four hundred fifty-four".