20242547954 has 32 divisors (see below), whose sum is σ = 30793706496. Its totient is φ = 9979382160.

The previous prime is 20242547953. The next prime is 20242547957. The reversal of 20242547954 is 45974524202.

It is a super-2 number, since 2×20242547954² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20242547953) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31286459 + ... + 31287105.

It is an arithmetic number, because the mean of its divisors is an integer number (962303328).

Almost surely, 2^20242547954 is an apocalyptic number.

20242547954 is a deficient number, since it is larger than the sum of its proper divisors (10551158542).

20242547954 is a wasteful number, since it uses less digits than its factorization.

20242547954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 20242547954 in words is "twenty billion, two hundred forty-two million, five hundred forty-seven thousand, nine hundred fifty-four".