20590142511 has 8 divisors (see below), whose sum is σ = 27515496960. Its totient is φ = 13695774872.

The previous prime is 20590142483. The next prime is 20590142519. The reversal of 20590142511 is 11524109502.

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

It is a cyclic number.

It is not a de Polignac number, because 20590142511 - 2⁷ = 20590142383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20590142519) 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, 7745151 + ... + 7747808.

It is an arithmetic number, because the mean of its divisors is an integer number (3439437120).

Almost surely, 2^20590142511 is an apocalyptic number.

20590142511 is a deficient number, since it is larger than the sum of its proper divisors (6925354449).

20590142511 is a wasteful number, since it uses less digits than its factorization.

20590142511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493405.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 20590142511 in words is "twenty billion, five hundred ninety million, one hundred forty-two thousand, five hundred eleven".