20700060 has 24 divisors (see below), whose sum is σ = 57960336. Its totient is φ = 5520000.

The previous prime is 20700059. The next prime is 20700073. The reversal of 20700060 is 6000702.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172441 + ... + 172560.

It is an arithmetic number, because the mean of its divisors is an integer number (2415014).

Almost surely, 2^20700060 is an apocalyptic number.

20700060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20700060 is an abundant number, since it is smaller than the sum of its proper divisors (37260276).

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

20700060 is a wasteful number, since it uses less digits than its factorization.

20700060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345013 (or 345011 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20700060 is about 4549.7318602309. The cubic root of 20700060 is about 274.5726033147.

Adding to 20700060 its reverse (6000702), we get a palindrome (26700762).

The spelling of 20700060 in words is "twenty million, seven hundred thousand, sixty".