20456361046 has 32 divisors (see below), whose sum is σ = 35006266368. Its totient is φ = 8874507840.

The previous prime is 20456360993. The next prime is 20456361059. The reversal of 20456361046 is 64016365402.

It is a junction number, because it is equal to n+sod(n) for n = 20456360996 and 20456361014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187011 + ... + 275473.

It is an arithmetic number, because the mean of its divisors is an integer number (1093945824).

Almost surely, 2^20456361046 is an apocalyptic number.

20456361046 is a deficient number, since it is larger than the sum of its proper divisors (14549905322).

20456361046 is a wasteful number, since it uses less digits than its factorization.

20456361046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88956.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 20456361046 in words is "twenty billion, four hundred fifty-six million, three hundred sixty-one thousand, forty-six".