20696955831050 has 48 divisors (see below), whose sum is σ = 38805704847360. Its totient is φ = 8212272788160.

The previous prime is 20696955831047. The next prime is 20696955831091. The reversal of 20696955831050 is 5013855969602.

It is a super-2 number, since 2×20696955831050² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39663236 + ... + 40181664.

It is an arithmetic number, because the mean of its divisors is an integer number (808452184320).

Almost surely, 2^{20696955831050} is an apocalyptic number.

20696955831050 is a deficient number, since it is larger than the sum of its proper divisors (18108749016310).

20696955831050 is a wasteful number, since it uses less digits than its factorization.

20696955831050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524855 (or 524850 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 59.

The spelling of 20696955831050 in words is "twenty trillion, six hundred ninety-six billion, nine hundred fifty-five million, eight hundred thirty-one thousand, fifty".