20357212203702 has 192 divisors, whose sum is σ = 53074681470720. Its totient is φ = 5568360806400.

The previous prime is 20357212203677. The next prime is 20357212203707. The reversal of 20357212203702 is 20730221275302.

20357212203702 is a `hidden beast` number, since 2 + 0 + 3 + 57 + 212 + 20 + 370 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357212203707) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6892273 + ... + 9392435.

It is an arithmetic number, because the mean of its divisors is an integer number (276430632660).

Almost surely, 2^{20357212203702} is an apocalyptic number.

20357212203702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20357212203702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26537340735360).

20357212203702 is an abundant number, since it is smaller than the sum of its proper divisors (32717469267018).

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

20357212203702 is a wasteful number, since it uses less digits than its factorization.

20357212203702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500299 (or 2500296 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 20357212203702 in words is "twenty trillion, three hundred fifty-seven billion, two hundred twelve million, two hundred three thousand, seven hundred two".