20573633101 has 8 divisors (see below), whose sum is σ = 24535016064. Its totient is φ = 16867823280.

The previous prime is 20573633099. The next prime is 20573633107. The reversal of 20573633101 is 10133637502.

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

It is not a de Polignac number, because 20573633101 - 2¹ = 20573633099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20573633107) 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, 63893110 + ... + 63893431.

It is an arithmetic number, because the mean of its divisors is an integer number (3066877008).

Almost surely, 2^20573633101 is an apocalyptic number.

It is an amenable number.

20573633101 is a deficient number, since it is larger than the sum of its proper divisors (3961382963).

20573633101 is a wasteful number, since it uses less digits than its factorization.

20573633101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127786571.

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 20573633101 in words is "twenty billion, five hundred seventy-three million, six hundred thirty-three thousand, one hundred one".