20701662 has 16 divisors (see below), whose sum is σ = 42366720. Its totient is φ = 6739992.

The previous prime is 20701657. The next prime is 20701663. The reversal of 20701662 is 26610702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701663) 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, 39862 + ... + 40377.

It is an arithmetic number, because the mean of its divisors is an integer number (2647920).

Almost surely, 2^20701662 is an apocalyptic number.

20701662 is an abundant number, since it is smaller than the sum of its proper divisors (21665058).

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

20701662 is a wasteful number, since it uses less digits than its factorization.

20701662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80287.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20701662 is about 4549.9079111560. The cubic root of 20701662 is about 274.5796862888.

The spelling of 20701662 in words is "twenty million, seven hundred one thousand, six hundred sixty-two".