20723763645362 has 16 divisors (see below), whose sum is σ = 31272610142592. Its totient is φ = 10299563531040.

The previous prime is 20723763645349. The next prime is 20723763645401. The reversal of 20723763645362 is 26354636732702.

It is a super-2 number, since 2×20723763645362² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20723763645298 and 20723763645307.

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, 12202523 + ... + 13796705.

It is an arithmetic number, because the mean of its divisors is an integer number (1954538133912).

Almost surely, 2^{20723763645362} is an apocalyptic number.

20723763645362 is a deficient number, since it is larger than the sum of its proper divisors (10548846497230).

20723763645362 is a wasteful number, since it uses less digits than its factorization.

20723763645362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633273.

The product of its (nonzero) digits is 45722880, while the sum is 56.

The spelling of 20723763645362 in words is "twenty trillion, seven hundred twenty-three billion, seven hundred sixty-three million, six hundred forty-five thousand, three hundred sixty-two".