20070620 has 48 divisors (see below), whose sum is σ = 43636320. Its totient is φ = 7750656.

The previous prime is 20070601. The next prime is 20070691. The reversal of 20070620 is 2607002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86024 + ... + 86256.

It is an arithmetic number, because the mean of its divisors is an integer number (909090).

Almost surely, 2^20070620 is an apocalyptic number.

20070620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20070620 is an abundant number, since it is smaller than the sum of its proper divisors (23565700).

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

20070620 is a wasteful number, since it uses less digits than its factorization.

20070620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20070620 is about 4480.0245535041. The cubic root of 20070620 is about 271.7608733127.

Adding to 20070620 its reverse (2607002), we get a palindrome (22677622).

The spelling of 20070620 in words is "twenty million, seventy thousand, six hundred twenty".