20570143363431 has 8 divisors (see below), whose sum is σ = 29040202395504. Its totient is φ = 12906756620160.

The previous prime is 20570143363409. The next prime is 20570143363433. The reversal of 20570143363431 is 13436334107502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20570143363431 - 2⁹ = 20570143362919 is a prime.

It is a super-2 number, since 2×20570143363431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20570143363433) 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, 201668072140 + ... + 201668072241.

It is an arithmetic number, because the mean of its divisors is an integer number (3630025299438).

Almost surely, 2^{20570143363431} is an apocalyptic number.

20570143363431 is a deficient number, since it is larger than the sum of its proper divisors (8470059032073).

20570143363431 is a wasteful number, since it uses less digits than its factorization.

20570143363431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403336144401.

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 20570143363431 in words is "twenty trillion, five hundred seventy billion, one hundred forty-three million, three hundred sixty-three thousand, four hundred thirty-one".