20275453142000 has 120 divisors (see below), whose sum is σ = 57030298331760. Its totient is φ = 6951583900800.

The previous prime is 20275453141949. The next prime is 20275453142059. The reversal of 20275453142000 is 24135457202.

It is a super-2 number, since 2×20275453142000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103348190 + ... + 103544189.

It is an arithmetic number, because the mean of its divisors is an integer number (475252486098).

Almost surely, 2^{20275453142000} is an apocalyptic number.

20275453142000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20275453142000 is an abundant number, since it is smaller than the sum of its proper divisors (36754845189760).

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

20275453142000 is a wasteful number, since it uses less digits than its factorization.

20275453142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206892416 (or 206892393 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 20275453142000 its reverse (24135457202), we get a palindrome (20299588599202).

The spelling of 20275453142000 in words is "twenty trillion, two hundred seventy-five billion, four hundred fifty-three million, one hundred forty-two thousand".