70422920345820 has 192 divisors, whose sum is σ = 225546016582656. Its totient is φ = 16082911549440.

The previous prime is 70422920345803. The next prime is 70422920345881. The reversal of 70422920345820 is 2854302922407.

It is a self number, because there is not a number n which added to its sum of digits gives 70422920345820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2530726747 + ... + 2530754573.

It is an arithmetic number, because the mean of its divisors is an integer number (1174718836368).

Almost surely, 2^{70422920345820} is an apocalyptic number.

70422920345820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70422920345820 is an abundant number, since it is smaller than the sum of its proper divisors (155123096236836).

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

70422920345820 is a wasteful number, since it uses less digits than its factorization.

70422920345820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32780 (or 32778 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 70422920345820 in words is "seventy trillion, four hundred twenty-two billion, nine hundred twenty million, three hundred forty-five thousand, eight hundred twenty".