20000662420290 has 32 divisors (see below), whose sum is σ = 48815176080960. Its totient is φ = 5243111504064.

The previous prime is 20000662420283. The next prime is 20000662420301. The reversal of 20000662420290 is 9202426600002.

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, 5649902869 + ... + 5649906408.

It is an arithmetic number, because the mean of its divisors is an integer number (1525474252530).

Almost surely, 2^{20000662420290} is an apocalyptic number.

20000662420290 is an abundant number, since it is smaller than the sum of its proper divisors (28814513660670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000662420290 is a wasteful number, since it uses less digits than its factorization.

20000662420290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11299809346.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20000662420290 in words is "twenty trillion, six hundred sixty-two million, four hundred twenty thousand, two hundred ninety".