20061191536 has 10 divisors (see below), whose sum is σ = 38868558632. Its totient is φ = 10030595760.

The previous prime is 20061191533. The next prime is 20061191587. The reversal of 20061191536 is 63519116002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061191531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626912220 + ... + 626912251.

Almost surely, 2^20061191536 is an apocalyptic number.

It is an amenable number.

20061191536 is a deficient number, since it is larger than the sum of its proper divisors (18807367096).

20061191536 is a wasteful number, since it uses less digits than its factorization.

20061191536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253824479 (or 1253824473 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 20061191536 in words is "twenty billion, sixty-one million, one hundred ninety-one thousand, five hundred thirty-six".