20268953570 has 16 divisors (see below), whose sum is σ = 38404333440. Its totient is φ = 7680866544.

The previous prime is 20268953567. The next prime is 20268953581. The reversal of 20268953570 is 7535986202.

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, 53339162 + ... + 53339541.

It is an arithmetic number, because the mean of its divisors is an integer number (2400270840).

Almost surely, 2^20268953570 is an apocalyptic number.

20268953570 is a deficient number, since it is larger than the sum of its proper divisors (18135379870).

20268953570 is a wasteful number, since it uses less digits than its factorization.

20268953570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106678729.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 20268953570 in words is "twenty billion, two hundred sixty-eight million, nine hundred fifty-three thousand, five hundred seventy".