20700532 has 12 divisors (see below), whose sum is σ = 36662976. Its totient is φ = 10225400.

The previous prime is 20700523. The next prime is 20700551. The reversal of 20700532 is 23500702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30844 + ... + 31507.

It is an arithmetic number, because the mean of its divisors is an integer number (3055248).

Almost surely, 2^20700532 is an apocalyptic number.

It is an amenable number.

20700532 is a deficient number, since it is larger than the sum of its proper divisors (15962444).

20700532 is a wasteful number, since it uses less digits than its factorization.

20700532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62438 (or 62436 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20700532 is about 4549.7837311239. The cubic root of 20700532 is about 274.5746902215.

The spelling of 20700532 in words is "twenty million, seven hundred thousand, five hundred thirty-two".