20701012162 has 4 divisors (see below), whose sum is σ = 31051518246. Its totient is φ = 10350506080.

The previous prime is 20701012159. The next prime is 20701012169. The reversal of 20701012162 is 26121010702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13455768001 + 7245244161 = 115999^2 + 85119^2 .

It is not an unprimeable number, because it can be changed into a prime (20701012169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5175253039 + ... + 5175253042.

Almost surely, 2^20701012162 is an apocalyptic number.

20701012162 is a deficient number, since it is larger than the sum of its proper divisors (10350506084).

20701012162 is a wasteful number, since it uses less digits than its factorization.

20701012162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350506083.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 20701012162 its reverse (26121010702), we get a palindrome (46822022864).

The spelling of 20701012162 in words is "twenty billion, seven hundred one million, twelve thousand, one hundred sixty-two".