20652230949 has 24 divisors (see below), whose sum is σ = 32054866560. Its totient is φ = 11792862144.

The previous prime is 20652230903. The next prime is 20652230983. The reversal of 20652230949 is 94903225602.

It is not a de Polignac number, because 20652230949 - 2¹² = 20652226853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20652230949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652230999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159817 + ... + 258545.

It is an arithmetic number, because the mean of its divisors is an integer number (1335619440).

Almost surely, 2^20652230949 is an apocalyptic number.

It is an amenable number.

20652230949 is a deficient number, since it is larger than the sum of its proper divisors (11402635611).

20652230949 is a wasteful number, since it uses less digits than its factorization.

20652230949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100169 (or 100162 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 20652230949 in words is "twenty billion, six hundred fifty-two million, two hundred thirty thousand, nine hundred forty-nine".