20553553150054 has 16 divisors (see below), whose sum is σ = 32453602300080. Its totient is φ = 9735706504800.

The previous prime is 20553553150051. The next prime is 20553553150057. The reversal of 20553553150054 is 45005135535502.

It is an interprime number because it is at equal distance from previous prime (20553553150051) and next prime (20553553150057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20553553150051) 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, 3183429 + ... + 7158304.

It is an arithmetic number, because the mean of its divisors is an integer number (2028350143755).

Almost surely, 2^{20553553150054} is an apocalyptic number.

20553553150054 is a deficient number, since it is larger than the sum of its proper divisors (11900049150026).

20553553150054 is a wasteful number, since it uses less digits than its factorization.

20553553150054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394055.

The product of its (nonzero) digits is 1125000, while the sum is 43.

Adding to 20553553150054 its reverse (45005135535502), we get a palindrome (65558688685556).

The spelling of 20553553150054 in words is "twenty trillion, five hundred fifty-three billion, five hundred fifty-three million, one hundred fifty thousand, fifty-four".