20936155702 has 32 divisors (see below), whose sum is σ = 40211539200. Its totient is φ = 7936483680.

The previous prime is 20936155631. The next prime is 20936155717. The reversal of 20936155702 is 20755163902.

It is a super-2 number, since 2×20936155702² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831452 + ... + 1842847.

It is an arithmetic number, because the mean of its divisors is an integer number (1256610600).

Almost surely, 2^20936155702 is an apocalyptic number.

20936155702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20936155702 is a deficient number, since it is larger than the sum of its proper divisors (19275383498).

20936155702 is a wasteful number, since it uses less digits than its factorization.

20936155702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674356.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 20936155702 in words is "twenty billion, nine hundred thirty-six million, one hundred fifty-five thousand, seven hundred two".