20070351 has 36 divisors (see below), whose sum is σ = 34251984. Its totient is φ = 11289600.

The previous prime is 20070343. The next prime is 20070371. The reversal of 20070351 is 15307002.

It is not a de Polignac number, because 20070351 - 2³ = 20070343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070371) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30991 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (951444).

Almost surely, 2^20070351 is an apocalyptic number.

20070351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20070351 is a deficient number, since it is larger than the sum of its proper divisors (14181633).

20070351 is a wasteful number, since it uses less digits than its factorization.

20070351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20070351 is about 4479.9945312467. The cubic root of 20070351 is about 271.7596591998.

Adding to 20070351 its reverse (15307002), we get a palindrome (35377353).

The spelling of 20070351 in words is "twenty million, seventy thousand, three hundred fifty-one".