20620516246 has 32 divisors (see below), whose sum is σ = 33858072576. Its totient is φ = 9340968000.

The previous prime is 20620516243. The next prime is 20620516249. The reversal of 20620516246 is 64261502602.

It is an interprime number because it is at equal distance from previous prime (20620516243) and next prime (20620516249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20620516243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14017291 + ... + 14018761.

It is an arithmetic number, because the mean of its divisors is an integer number (1058064768).

Almost surely, 2^20620516246 is an apocalyptic number.

20620516246 is a deficient number, since it is larger than the sum of its proper divisors (13237556330).

20620516246 is a wasteful number, since it uses less digits than its factorization.

20620516246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20620516246 in words is "twenty billion, six hundred twenty million, five hundred sixteen thousand, two hundred forty-six".