20308106270 has 16 divisors (see below), whose sum is σ = 36796677408. Its totient is φ = 8069445600.

The previous prime is 20308106237. The next prime is 20308106297. The reversal of 20308106270 is 7260180302.

It is a happy number.

It is a super-2 number, since 2×20308106270² (a number of 21 digits) contains 22 as substring.

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, 6723029 + ... + 6726048.

It is an arithmetic number, because the mean of its divisors is an integer number (2299792338).

Almost surely, 2^20308106270 is an apocalyptic number.

20308106270 is a deficient number, since it is larger than the sum of its proper divisors (16488571138).

20308106270 is a wasteful number, since it uses less digits than its factorization.

20308106270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13449235.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 20308106270 its reverse (7260180302), we get a palindrome (27568286572).

The spelling of 20308106270 in words is "twenty billion, three hundred eight million, one hundred six thousand, two hundred seventy".