20540702 has 48 divisors (see below), whose sum is σ = 40334112. Its totient is φ = 7761600.

The previous prime is 20540699. The next prime is 20540719. The reversal of 20540702 is 20704502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28952 + ... + 29652.

It is an arithmetic number, because the mean of its divisors is an integer number (840294).

Almost surely, 2^20540702 is an apocalyptic number.

20540702 is a deficient number, since it is larger than the sum of its proper divisors (19793410).

20540702 is a wasteful number, since it uses less digits than its factorization.

20540702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20540702 is about 4532.1851241978. The cubic root of 20540702 is about 273.8661946357.

The spelling of 20540702 in words is "twenty million, five hundred forty thousand, seven hundred two".