20070867949 has 16 divisors (see below), whose sum is σ = 23063100480. Its totient is φ = 17274504960.

The previous prime is 20070867941. The next prime is 20070867961. The reversal of 20070867949 is 94976807002.

It is a cyclic number.

It is not a de Polignac number, because 20070867949 - 2³ = 20070867941 is a prime.

It is a super-3 number, since 3×20070867949³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20070867896 and 20070867905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070867941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293659 + ... + 355495.

It is an arithmetic number, because the mean of its divisors is an integer number (1441443780).

Almost surely, 2^20070867949 is an apocalyptic number.

It is an amenable number.

20070867949 is a deficient number, since it is larger than the sum of its proper divisors (2992232531).

20070867949 is a wasteful number, since it uses less digits than its factorization.

20070867949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63420.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 20070867949 in words is "twenty billion, seventy million, eight hundred sixty-seven thousand, nine hundred forty-nine".