20741529587 has 2 divisors, whose sum is σ = 20741529588. Its totient is φ = 20741529586.

The previous prime is 20741529583. The next prime is 20741529617. The reversal of 20741529587 is 78592514702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20741529587 - 2² = 20741529583 is a prime.

It is a super-2 number, since 2×20741529587² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20741529581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10370764793 + 10370764794.

It is an arithmetic number, because the mean of its divisors is an integer number (10370764794).

Almost surely, 2^20741529587 is an apocalyptic number.

20741529587 is a deficient number, since it is larger than the sum of its proper divisors (1).

20741529587 is an equidigital number, since it uses as much as digits as its factorization.

20741529587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 20741529587 in words is "twenty billion, seven hundred forty-one million, five hundred twenty-nine thousand, five hundred eighty-seven".