20251041442242 has 32 divisors (see below), whose sum is σ = 43664579038080. Its totient is φ = 6224382343680.

The previous prime is 20251041442231. The next prime is 20251041442277. The reversal of 20251041442242 is 24224414015202.

It is a super-3 number, since 3×20251041442242³ (a number of 41 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 139663134 + ... + 139808057.

It is an arithmetic number, because the mean of its divisors is an integer number (1364518094940).

Almost surely, 2^{20251041442242} is an apocalyptic number.

20251041442242 is an abundant number, since it is smaller than the sum of its proper divisors (23413537595838).

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

20251041442242 is a wasteful number, since it uses less digits than its factorization.

20251041442242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279472138.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 20251041442242 its reverse (24224414015202), we get a palindrome (44475455457444).

The spelling of 20251041442242 in words is "twenty trillion, two hundred fifty-one billion, forty-one million, four hundred forty-two thousand, two hundred forty-two".