20701271046 has 16 divisors (see below), whose sum is σ = 41451089904. Its totient is φ = 6892332384.

The previous prime is 20701271033. The next prime is 20701271051. The reversal of 20701271046 is 64017210702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017281 + ... + 2027516.

It is an arithmetic number, because the mean of its divisors is an integer number (2590693119).

Almost surely, 2^20701271046 is an apocalyptic number.

20701271046 is an abundant number, since it is smaller than the sum of its proper divisors (20749818858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20701271046 is a wasteful number, since it uses less digits than its factorization.

20701271046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045655.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 20701271046 its reverse (64017210702), we get a palindrome (84718481748).

The spelling of 20701271046 in words is "twenty billion, seven hundred one million, two hundred seventy-one thousand, forty-six".