20676714436 has 27 divisors (see below), whose sum is σ = 42095981487. Its totient is φ = 8860586280.

The previous prime is 20676714431. The next prime is 20676714439. The reversal of 20676714436 is 63441767602.

The square root of 20676714436 is 143794.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (20676714431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2007981 + ... + 2018251.

Almost surely, 2^20676714436 is an apocalyptic number.

20676714436 is the 143794-th square number.

It is an amenable number.

20676714436 is an abundant number, since it is smaller than the sum of its proper divisors (21419267051).

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

20676714436 is an frugal number, since it uses more digits than its factorization.

20676714436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 10280 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 20676714436 in words is "twenty billion, six hundred seventy-six million, seven hundred fourteen thousand, four hundred thirty-six".